{"id":4025,"date":"2026-03-30T11:39:34","date_gmt":"2026-03-30T11:39:34","guid":{"rendered":"https:\/\/ksquareinstitute.in\/blog\/?p=4025"},"modified":"2026-04-03T12:34:07","modified_gmt":"2026-04-03T12:34:07","slug":"organic-chemistry-basic-principles-class-11","status":"publish","type":"post","link":"https:\/\/ksquareinstitute.in\/blog\/organic-chemistry-basic-principles-class-11\/","title":{"rendered":"Organic Chemistry Basic Principles Class 11 PDF: Complete NEET Notes &#038; IUPAC Guide"},"content":{"rendered":"\n<!DOCTYPE html>\n<html lang=\"en\">\n<head>\n    <meta charset=\"UTF-8\">\n    <meta name=\"viewport\" content=\"width=device-width, initial-scale=1.0\">\n    <link rel=\"preconnect\" href=\"https:\/\/fonts.googleapis.com\">\n    <link rel=\"preconnect\" href=\"https:\/\/fonts.gstatic.com\" crossorigin>\n    <link href=\"https:\/\/fonts.googleapis.com\/css2?family=DM+Sans:ital,opsz,wght@0,9..40,300..600;1,9..40,300..600&#038;family=JetBrains+Mono:wght@400;500;700&#038;family=Plus+Jakarta+Sans:wght@400;600;700;800&#038;display=swap\" rel=\"stylesheet\">\n    <style>\n        :root {\n            --accent: #e8600a;\n            --accent-light: #fff3ec;\n            --accent-mid: #fde3cc;\n            --dark: #111827;\n            --text: #1a1a1a;\n            --text-muted: #4b5563;\n            --border: #e5e7eb;\n            --green-bg: #f0fdf4;\n            --green-border: #16a34a;\n            --blue-bg: #eff6ff;\n            --blue-border: #3b82f6;\n        }\n\n        * {\n            box-sizing: border-box;\n            margin: 0;\n            padding: 0;\n        }\n\n        body {\n            font-family: 'DM Sans', sans-serif;\n            color: var(--text);\n            line-height: 1.6;\n            background-color: #ffffff;\n            -webkit-font-smoothing: antialiased;\n        }\n\n        .content-wrapper {\n            width: 100%;\n            padding: 0;\n        }\n        \n        .container {\n            width: 100%;\n            padding: 0 0px;\n        }\n\n        @media (max-width: 768px) {\n            .container {\n                padding: 0 10px;\n            }\n        }\n\n        h2, h3, h4 {\n            font-family: 'Plus Jakarta Sans', sans-serif;\n            color: var(--dark);\n        }\n\n        h2 {\n            font-size: 1.85rem;\n            font-weight: 700;\n            margin: 40px 0 20px;\n            display: flex;\n            align-items: center;\n            gap: 16px;\n        }\n\n        h3 {\n            font-size: 1.4rem;\n            font-weight: 700;\n            margin: 30px 0 15px;\n        }\n\n        p {\n            margin-bottom: 20px;\n            font-size: 1.05rem;\n            font-weight: 400;\n            color: var(--text-muted);\n        }\n\n        .badge {\n            width: 42px;\n            height: 42px;\n            background-color: var(--accent);\n            color: white;\n            border-radius: 8px;\n            display: flex;\n            align-items: center;\n            justify-content: center;\n            font-weight: 700;\n            font-size: 1.1rem;\n            flex-shrink: 0;\n        }\n\n        .formula-dark {\n            background: var(--dark);\n            border-left: 4px solid var(--accent);\n            padding: 24px;\n            margin: 24px 0;\n            border-radius: 0 8px 8px 0;\n        }\n        .formula-dark-label {\n            font-family: 'JetBrains Mono', monospace;\n            font-size: 0.75rem;\n            color: #9ca3af;\n            text-transform: uppercase;\n            letter-spacing: 1px;\n            margin-bottom: 8px;\n            display: block;\n        }\n        .formula-dark-content {\n            font-family: 'JetBrains Mono', monospace;\n            color: var(--accent);\n            font-size: 1.1rem;\n            font-weight: 500;\n        }\n\n        .formula-orange {\n            background: var(--accent-light);\n            border: 1px solid var(--accent-mid);\n            border-left: 4px solid var(--accent);\n            padding: 24px;\n            margin: 24px 0;\n            border-radius: 0 8px 8px 0;\n        }\n        .formula-orange-content {\n            font-family: 'JetBrains Mono', monospace;\n            color: #851e00;\n            font-size: 1.1rem;\n            font-weight: 500;\n        }\n\n        .callout {\n            padding: 24px;\n            border-radius: 12px;\n            margin: 24px 0;\n            border: 1px solid;\n            position: relative;\n        }\n        .callout-pill {\n            position: absolute;\n            top: -12px;\n            left: 20px;\n            padding: 4px 12px;\n            border-radius: 50px;\n            font-size: 0.7rem;\n            font-weight: 700;\n            text-transform: uppercase;\n            letter-spacing: 0.5px;\n        }\n\n        .warning { background: #fff7ed; 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font-weight: 700; font-size: 0.9rem; margin-bottom: 16px; display: block; }\n        .internal-links a { display: block; color: var(--accent); text-decoration: none; font-weight: 600; margin-bottom: 8px; }\n\n        .download-btn {\n            background: var(--dark);\n            color: white;\n            display: inline-flex;\n            align-items: center;\n            gap: 10px;\n            padding: 12px 24px;\n            border-radius: 8px;\n            text-decoration: none;\n            font-weight: 600;\n            margin-top: 20px;\n        }\n    <\/style>\n<\/head>\n<body>\n\n<div class=\"content-wrapper\">\n    <div class=\"container\">\n\n        <h2><div class=\"badge\">01<\/div>Introduction to Organic Chemistry<\/h2>\n        <p>Organic chemistry is the study of carbon compounds, essentially forming the basis of life. If you are preparing for medical entrance exams, downloading a high-quality <strong>organic chemistry basic principles class 11 pdf<\/strong> is your first step toward mastering reactive mechanisms. Carbon is unique because of its ability to form stable bonds with itself and other elements, leading to a vast diversity of molecules used in medicines, fuels, and polymers.<\/p>\n        \n        <div class=\"card-grid\">\n            <div class=\"card\">\n                <span class=\"card-title\">TETRAVALENCY<\/span>\n                Carbon has four valence electrons, allowing it to form four covalent bonds with various atoms.\n            <\/div>\n            <div class=\"card\">\n                <span class=\"card-title\">CATENATION<\/span>\n                The unique ability of carbon atoms to link together and form long chains or rings.\n            <\/div>\n        <\/div>\n\n        <h3>Classification of Organic Compounds<\/h3>\n        <ul>\n            <li><strong>Aliphatic:<\/strong> Open-chain compounds (alkanes, alkenes, alkynes).<\/li>\n            <li><strong>Alicyclic:<\/strong> Carbon atoms joined in a ring (cyclopropane, cyclohexane).<\/li>\n            <li><strong>Aromatic:<\/strong> Special cyclic compounds containing a benzene ring or related stability.<\/li>\n        <\/ul>\n\n        <h2><div class=\"badge\">02<\/div>Tetravalency and Shapes of Molecules<\/h2>\n        <p>The geometry of organic molecules is determined by the hybridization of carbon atoms. Understanding these shapes is vital for solving structural problems in your <strong>organic chemistry basic principles class 11 pdf<\/strong> study guide.<\/p>\n\n        <div class=\"table-container\">\n            <table>\n                <thead>\n                    <tr>\n                        <th>Hybridization<\/th>\n                        <th>Geometry<\/th>\n                        <th>Bond Angle<\/th>\n                        <th>Example<\/th>\n                    <\/tr>\n                <\/thead>\n                <tbody>\n                    <tr>\n                        <td>sp<sup>3<\/sup><\/td>\n                        <td>Tetrahedral<\/td>\n                        <td>109.5\u00b0<\/td>\n                        <td>Methane (CH<sub>4<\/sub>)<\/td>\n                    <\/tr>\n                    <tr>\n                        <td>sp<sup>2<\/sup><\/td>\n                        <td>Trigonal Planar<\/td>\n                        <td>120\u00b0<\/td>\n                        <td>Ethene (C<sub>2<\/sub>H<sub>4<\/sub>)<\/td>\n                    <\/tr>\n                    <tr>\n                        <td>sp<\/td>\n                        <td>Linear<\/td>\n                        <td>180\u00b0<\/td>\n                        <td>Ethyne (C<sub>2<\/sub>H<sub>2<\/sub>)<\/td>\n                    <\/tr>\n                <\/tbody>\n            <\/table>\n        <\/div>\n\n        <h2><div class=\"badge\">03<\/div>Structural Representations<\/h2>\n        <p>Organic compounds can be represented in multiple ways. NEET often tests your ability to convert between bond-line and condensed formulas found in standard <strong>organic chemistry basic principles class 11 pdf<\/strong> notes.<\/p>\n        \n        <div class=\"formula-dark\">\n            <span class=\"formula-dark-label\">BOND-LINE NOTATION<\/span>\n            <div class=\"formula-dark-content\">Carbon atoms are represented as vertices and ends of lines; Hydrogens are omitted.<\/div>\n        <\/div>\n\n        <div class=\"callout tip\">\n            <div class=\"callout-pill\">TIP<\/div>\n            Always count the number of bonds visible for a carbon atom in a bond-line formula; the remaining valencies are always satisfied by invisible Hydrogen atoms.\n        <\/div>\n\n        <!-- Promotional Banner 1 -->\n        <a href=\"https:\/\/courses.ksquare.co.in\/new-courses\/3-mission-180-neet-physics-rankers-batch\" target=\"_blank\" rel=\"nofollow noopener noreferrer\" style=\"display:block; margin-bottom:40px;\">\n            <img decoding=\"async\" src=\"https:\/\/ksquareinstitute.in\/blog\/wp-content\/uploads\/2026\/03\/Course-Poromo-Banner-scaled.png\" alt=\"Mission 180 NEET Physics Rankers Batch - KSquare Career Institute\" style=\"width:100%; height:auto; border-radius:10px; display:block;\">\n        <\/a>\n\n        <h2><div class=\"badge\">04<\/div>Classification based on Functional Groups<\/h2>\n        <p>Functional groups are specific atoms or groups of atoms that determine the chemical properties of an organic molecule. Most <strong>organic chemistry basic principles class 11 pdf<\/strong> resources categorize compounds by these reactive sites.<\/p>\n        \n        <div class=\"card-grid\">\n            <div class=\"card\">\n                <span class=\"card-title\">HYDROCARBONS<\/span>\n                Compounds consisting only of Carbon and Hydrogen (Alkanes, Alkenes).\n            <\/div>\n            <div class=\"card\">\n                <span class=\"card-title\">OXYGENATED COMPOUNDS<\/span>\n                Alcohols (\u2212OH), Aldehydes (\u2212CHO), Ketones (>C=O), and Carboxylic Acids (\u2212COOH).\n            <\/div>\n        <\/div>\n\n        <h2><div class=\"badge\">05<\/div>Nomenclature (IUPAC System)<\/h2>\n        <p>The systematic naming of compounds follows a specific hierarchy: Prefix + Word Root + Suffix. Mastering IUPAC rules is a non-negotiable part of your <strong>organic chemistry basic principles class 11 pdf<\/strong> revision.<\/p>\n\n        <div class=\"formula-orange\">\n            <div class=\"formula-orange-content\">Rule 1: Longest Carbon Chain Selection | Rule 2: Lowest Locant Rule for numbering.<\/div>\n        <\/div>\n\n        <h3>Functional Group Priority Order<\/h3>\n        <p>When multiple groups are present, naming follows this order of precedence:<\/p>\n        <div class=\"table-container\">\n            <table>\n                <thead>\n                    <tr>\n                        <th>Functional Group<\/th>\n                        <th>Suffix<\/th>\n                        <th>Priority<\/th>\n                    <\/tr>\n                <\/thead>\n                <tbody>\n                    <tr>\n                        <td>Carboxylic Acid (\u2212COOH)<\/td>\n                        <td>\u2212oic acid<\/td>\n                        <td>Highest<\/td>\n                    <\/tr>\n                    <tr>\n                        <td>Aldehyde (\u2212CHO)<\/td>\n                        <td>\u2212al<\/td>\n                        <td>High<\/td>\n                    <\/tr>\n                    <tr>\n                        <td>Ketone (>C=O)<\/td>\n                        <td>\u2212one<\/td>\n                        <td>Medium<\/td>\n                    <\/tr>\n                    <tr>\n                        <td>Alcohol (\u2212OH)<\/td>\n                        <td>\u2212ol<\/td>\n                        <td>Low<\/td>\n                    <\/tr>\n                <\/tbody>\n            <\/table>\n        <\/div>\n\n        <h2><div class=\"badge\">06<\/div>Isomerism: Structural and Stereo<\/h2>\n        <p>Isomers are compounds with the same molecular formula but different structural arrangements. This section of the <strong>organic chemistry basic principles class 11 pdf<\/strong> is a favorite for competitive examiners.<\/p>\n\n        <ul>\n            <li><strong>Chain Isomerism:<\/strong> Different carbon skeletons.<\/li>\n            <li><strong>Position Isomerism:<\/strong> Different position of functional group or substituent.<\/li>\n            <li><strong>Functional Isomerism:<\/strong> Different functional groups (e.g., Ethanol and Dimethyl ether).<\/li>\n            <li><strong>Metamerism:<\/strong> Different distribution of alkyl groups around a polyvalent functional group.<\/li>\n        <\/ul>\n\n        <h2><div class=\"badge\">07<\/div>Electronic Effects in Organic Chemistry<\/h2>\n        <p>The stability and reactivity of molecules are dictated by how electrons move within the structure. These effects are the core of reaction mechanisms in any <strong>organic chemistry basic principles class 11 pdf<\/strong>.<\/p>\n\n        <div class=\"card-grid\">\n            <div class=\"card\">\n                <span class=\"card-title\">INDUCTIVE EFFECT<\/span>\n                Permanent displacement of sigma electrons along a chain due to electronegativity difference.\n            <\/div>\n            <div class=\"card\">\n                <span class=\"card-title\">RESONANCE (M) EFFECT<\/span>\n                Delocalization of pi electrons or lone pairs in conjugated systems.\n            <\/div>\n        <\/div>\n\n        <div class=\"formula-dark\">\n            <span class=\"formula-dark-label\">HYPERCONJUGATION<\/span>\n            <div class=\"formula-dark-content\">Interaction of sigma bonds (C-H) with adjacent pi systems or empty p-orbitals. Known as &#8220;Baker-Nathan effect&#8221;.<\/div>\n        <\/div>\n\n        <!-- Promotional Banner 2 -->\n        <a href=\"https:\/\/ksquareinstitute.in\/neet-2026-rank-predictor\/\" target=\"_blank\" rel=\"nofollow noopener noreferrer\" style=\"display:block; margin-bottom:40px;\">\n            <img decoding=\"async\" src=\"https:\/\/ksquareinstitute.in\/blog\/wp-content\/uploads\/2026\/03\/neet-2026-college-and-rank-predictor-scaled.png\" alt=\"NEET 2026 Rank Predictor - KSquare Career Institute\" style=\"width:100%; height:auto; border-radius:10px; display:block;\">\n        <\/a>\n\n        <h2><div class=\"badge\">08<\/div>Covalent Bond Cleavage<\/h2>\n        <p>Reactions happen when bonds break. There are two modes of cleavage mentioned in every <strong>organic chemistry basic principles class 11 pdf<\/strong>:<\/p>\n        \n        <ul>\n            <li><strong>Homolytic Cleavage:<\/strong> Each atom takes one electron, forming **Free Radicals**.<\/li>\n            <li><strong>Heterolytic Cleavage:<\/strong> One atom takes both electrons, forming **Carbocations** or **Carbanions**.<\/li>\n        <\/ul>\n\n        <div class=\"callout warning\">\n            <div class=\"callout-pill\">WARN<\/div>\n            Stability of Carbocations: 3\u00b0 > 2\u00b0 > 1\u00b0 > Methyl. This order is frequently reversed for Carbanions!\n        <\/div>\n\n        <h2><div class=\"badge\">09<\/div>Types of Organic Reactions<\/h2>\n        <p>Most organic transformations can be grouped into four categories. Understanding these helps in predicting the products of any reaction in your <strong>organic chemistry basic principles class 11 pdf<\/strong>.<\/p>\n\n        <div class=\"table-container\">\n            <table>\n                <thead>\n                    <tr>\n                        <th>Reaction Type<\/th>\n                        <th>Definition<\/th>\n                        <th>Example<\/th>\n                    <\/tr>\n                <\/thead>\n                <tbody>\n                    <tr>\n                        <td>Substitution<\/td>\n                        <td>One atom\/group replaced by another.<\/td>\n                        <td>Chlorination of Methane<\/td>\n                    <\/tr>\n                    <tr>\n                        <td>Addition<\/td>\n                        <td>Atoms added across a double\/triple bond.<\/td>\n                        <td>Hydrogenation of Ethene<\/td>\n                    <\/tr>\n                    <tr>\n                        <td>Elimination<\/td>\n                        <td>Removal of atoms to form a double bond.<\/td>\n                        <td>Dehydration of Alcohols<\/td>\n                    <\/tr>\n                <\/tbody>\n            <\/table>\n        <\/div>\n\n        <h2><div class=\"badge\">10<\/div>Purification and Qualitative Analysis<\/h2>\n        <p>Before a compound can be studied, it must be pure. Key techniques in <strong>organic chemistry basic principles class 11 pdf<\/strong> include Crystallization, Sublimation, and various types of Distillation (Simple, Fractional, Steam, and Vacuum).<\/p>\n\n        <div class=\"formula-orange\">\n            <div class=\"formula-orange-content\">Lassaigne&#8217;s Test: Used for the detection of Nitrogen, Sulfur, and Halogens in organic compounds.<\/div>\n        <\/div>\n\n        <div class=\"internal-links\">\n            <span class=\"internal-links-title\">ENHANCE YOUR NEET PREPARATION<\/span>\n            <a href=\"https:\/\/ksquareinstitute.in\/blog\/neet-physics-survival-kit-2026\/\">NEET Physics Survival Kit 2026<\/a>\n            <a href=\"https:\/\/ksquareinstitute.in\/blog\/organic-chemistry-strategy-neet\/\">Organic Chemistry Strategy for NEET<\/a>\n            <a href=\"https:\/\/ksquareinstitute.in\/blog\/neet-biology-tricks-for-exams\/\">NEET Biology Tricks for Exams<\/a>\n            <a href=\"https:\/\/ksquareinstitute.in\/blog\/score-340-in-neet-biology\/\">How to Score 340 in NEET Biology<\/a>\n            <a href=\"https:\/\/ksquareinstitute.in\/free-study-material\/\" target=\"_blank\" rel=\"nofollow noopener noreferrer\">Free NEET Study Material<\/a>\n        <\/div>\n\n        <div class=\"revision-box\">\n            <h3>High-Score Revision Summary<\/h3>\n            <ul>\n                <li>Alkanes: C<sub>n<\/sub>H<sub>2n+2<\/sub> | Alkenes: C<sub>n<\/sub>H<sub>2n<\/sub> | Alkynes: C<sub>n<\/sub>H<sub>2n\u22122<\/sub>.<\/li>\n                <li>Hybridization: sp<sup>3<\/sup> (single), sp<sup>2<\/sup> (double), sp (triple).<\/li>\n                <li>+I effect: Electron donating (Alkyl groups). \u2212I effect: Electron withdrawing (\u2212NO<sub>2<\/sub>, \u2212CN).<\/li>\n                <li>Resonance increases stability of molecules and intermediates.<\/li>\n                <li>Carbocations are electrophiles; Carbanions are nucleophiles.<\/li>\n                <li>Structural isomers have different bonding connectivity.<\/li>\n                <li>IUPAC Name = Prefix + Word Root + Primary Suffix + Secondary Suffix.<\/li>\n                <li>Steam distillation is used for substances volatile in steam but immiscible in water.<\/li>\n                <li>Fractional distillation separates liquids with small boiling point differences.<\/li>\n                <li>Dumas and Kjeldahl methods are used for Nitrogen estimation.<\/li>\n            <\/ul>\n            <a href=\"#\" class=\"download-btn\" rel=\"nofollow noopener noreferrer\">\n                <span>Download Organic Basics Formula Sheet<\/span>\n            <\/a>\n        <\/div>\n\n        <h2><div class=\"badge\">11<\/div>Frequently Asked Questions<\/h2>\n        <div class=\"faq-container\">\n            <details>\n                <summary>\n                    <span>What is the difference between +I and \u2212I effects?<\/span>\n                    <div class=\"toggle-icon\">\n                        <svg viewBox=\"0 0 24 24\"><path class=\"plus-path\" d=\"M12 5v14M5 12h14\"\/><path class=\"minus-path\" d=\"M5 12h14\"\/><\/svg>\n                    <\/div>\n                <\/summary>\n                <div class=\"faq-answer\">+I effect is the donation of electrons by a group toward the carbon chain, while \u2212I effect is the withdrawal of electrons away from the carbon chain toward a more electronegative atom or group.<\/div>\n            <\/details>\n            <details>\n                <summary>\n                    <span>How can I identify functional isomers quickly?<\/span>\n                    <div class=\"toggle-icon\">\n                        <svg viewBox=\"0 0 24 24\"><path class=\"plus-path\" d=\"M12 5v14M5 12h14\"\/><path class=\"minus-path\" d=\"M5 12h14\"\/><\/svg>\n                    <\/div>\n                <\/summary>\n                <div class=\"faq-answer\">Functional isomers have the same molecular formula but belong to different homologous series. Common pairs include Alcohols\/Ethers, Aldehydes\/Ketones, and Acids\/Esters.<\/div>\n            <\/details>\n            <details>\n                <summary>\n                    <span>Why is hybridization important in organic chemistry?<\/span>\n                    <div class=\"toggle-icon\">\n                        <svg viewBox=\"0 0 24 24\"><path class=\"plus-path\" d=\"M12 5v14M5 12h14\"\/><path class=\"minus-path\" d=\"M5 12h14\"\/><\/svg>\n                    <\/div>\n                <\/summary>\n                <div class=\"faq-answer\">Hybridization dictates the shape and bond angles of molecules, which in turn influences the physical properties and the spatial orientation (stereochemistry) required for chemical reactions.<\/div>\n            <\/details>\n            <details>\n                <summary>\n                    <span>What is Lassaigne\u2019s extract?<\/span>\n                    <div class=\"toggle-icon\">\n                        <svg viewBox=\"0 0 24 24\"><path class=\"plus-path\" d=\"M12 5v14M5 12h14\"\/><path class=\"minus-path\" d=\"M5 12h14\"\/><\/svg>\n                    <\/div>\n                <\/summary>\n                <div class=\"faq-answer\">It is an aqueous solution (Sodium Fusion Extract) prepared by fusing an organic compound with metallic sodium. It converts covalently bonded N, S, and Halogens into ionic forms for easier detection.<\/div>\n            <\/details>\n            <details>\n                <summary>\n                    <span>What is the stability order for free radicals?<\/span>\n                    <div class=\"toggle-icon\">\n                        <svg viewBox=\"0 0 24 24\"><path class=\"plus-path\" d=\"M12 5v14M5 12h14\"\/><path class=\"minus-path\" d=\"M5 12h14\"\/><\/svg>\n                    <\/div>\n                <\/summary>\n                <div class=\"faq-answer\">The stability order for free radicals is 3\u00b0 > 2\u00b0 > 1\u00b0 > Methyl, similar to carbocations, due to the hyperconjugative and inductive stabilization by alkyl groups.<\/div>\n            <\/details>\n        <\/div>\n\n        <div class=\"cta-section\">\n            <h2>Master Organic Chemistry with KSquare<\/h2>\n            <p>Ready to build a solid foundation? Join our Mission 180 Rankers Batch and master every reaction mechanism with expert guidance and conceptual clarity.<\/p>\n            <div class=\"cta-buttons\">\n                <a href=\"https:\/\/courses.ksquare.co.in\/new-courses\/3-mission-180-neet-physics-rankers-batch\" class=\"btn btn-white\" target=\"_blank\" rel=\"nofollow noopener noreferrer\">Join Rankers Batch<\/a>\n                <a href=\"https:\/\/ksquareinstitute.in\/free-study-material\/\" class=\"btn btn-outline\" target=\"_blank\" rel=\"nofollow noopener noreferrer\">Get Free Study Material<\/a>\n            <\/div>\n        <\/div>\n    <\/div>\n<\/div>\n\n<\/body>\n<\/html>\n\n\n\n<!DOCTYPE html>\n<html lang=\"en\">\n<head>\n  <meta charset=\"UTF-8\">\n  <meta name=\"viewport\" content=\"width=device-width, initial-scale=1.0\">\n  <title>Table of Contents \u2014 Chemistry Class 11<\/title>\n  \n  <!-- Google Fonts Import -->\n  <link rel=\"preconnect\" href=\"https:\/\/fonts.googleapis.com\">\n  <link rel=\"preconnect\" href=\"https:\/\/fonts.gstatic.com\" crossorigin>\n  <link href=\"https:\/\/fonts.googleapis.com\/css2?family=DM+Sans:ital,opsz,wght@0,9..40,100..1000;1,9..40,100..1000&#038;family=Plus+Jakarta+Sans:ital,wght@0,200..800;1,200..800&#038;display=swap\" rel=\"stylesheet\">\n  \n  <style>\n    \/* Scoped wrapper using a unique ID to prevent CSS conflicts. *\/\n    #chemistry-toc-wrapper {\n      font-family: 'DM Sans', sans-serif;\n      width: 100%;\n      margin: 0;\n      padding: 60px 0;\n      color: #111;\n      background: #fff;\n      -webkit-font-smoothing: antialiased;\n    }\n\n    #chemistry-toc-wrapper .container-inner {\n      width: 100%;\n      margin: 0 auto;\n      padding: 0; \/* No left\/right padding for edge-to-edge look *\/\n    }\n\n    #chemistry-toc-wrapper h1 {\n      font-family: 'Plus Jakarta Sans', sans-serif;\n      font-size: 0.85rem;\n      font-weight: 700;\n      color: #71717a;\n      margin: 0 0 8px;\n      letter-spacing: 0.1em;\n      text-transform: uppercase;\n      padding-left: 16px; \n    }\n\n    #chemistry-toc-wrapper h2 {\n      font-family: 'Plus Jakarta Sans', sans-serif;\n      font-size: 2.25rem;\n      font-weight: 800;\n      margin: 0 0 48px;\n      letter-spacing: -0.02em;\n      color: #09090b;\n      padding-left: 16px;\n    }\n\n    #chemistry-toc-wrapper table {\n      width: 100%;\n      border-collapse: collapse;\n      border-spacing: 0;\n      border-top: 1px solid #e4e4e7;\n      border-bottom: 1px solid #e4e4e7;\n    }\n\n    #chemistry-toc-wrapper tr {\n      border-bottom: 1px solid #e4e4e7;\n      transition: all 0.2s ease;\n    }\n\n    #chemistry-toc-wrapper tr:hover {\n      background-color: #f8fafc;\n    }\n\n    #chemistry-toc-wrapper tr:last-child {\n      border-bottom: none;\n    }\n\n    #chemistry-toc-wrapper td {\n      padding: 24px 16px;\n      vertical-align: middle;\n      font-size: 1.05rem;\n      font-weight: 500;\n      border-right: 1px solid #e4e4e7;\n    }\n\n    #chemistry-toc-wrapper td:last-child {\n      border-right: none;\n    }\n\n    \/* First column (Numbers) alignment and padding *\/\n    #chemistry-toc-wrapper td:first-child {\n      color: #a1a1aa;\n      font-size: 0.9rem;\n      width: 70px;\n      font-weight: 400;\n      font-variant-numeric: tabular-nums;\n      text-align: center;\n      padding-left: 10px;\n    }\n\n    \/* Middle column (Chapter Name) alignment and padding *\/\n    #chemistry-toc-wrapper td:nth-child(2) {\n      padding-left: 24px;\n      color: #18181b;\n    }\n\n    \/* Last column (Button) alignment and padding *\/\n    #chemistry-toc-wrapper td:last-child {\n      text-align: right;\n      width: 180px;\n      padding-right: 16px;\n    }\n\n    \/* Button Styling *\/\n    #chemistry-toc-wrapper a.go {\n      display: inline-block;\n      font-family: 'Plus Jakarta Sans', sans-serif;\n      font-size: 0.75rem;\n      font-weight: 800;\n      padding: 12px 24px;\n      border: 1.5px solid #18181b;\n      border-radius: 8px;\n      color: #18181b;\n      text-decoration: none;\n      letter-spacing: 0.05em;\n      text-transform: uppercase;\n      transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);\n      white-space: nowrap;\n    }\n\n    #chemistry-toc-wrapper a.go:hover {\n      background: #18181b;\n      color: #ffffff;\n      transform: translateY(-2px);\n      box-shadow: 0 4px 12px rgba(24, 24, 27, 0.15);\n    }\n\n    \/* Responsive adjustments *\/\n    @media (max-width: 768px) {\n      #chemistry-toc-wrapper h2 {\n        font-size: 1.75rem;\n        margin-bottom: 32px;\n      }\n      #chemistry-toc-wrapper td {\n        padding: 18px 12px;\n        font-size: 0.95rem;\n      }\n    }\n  <\/style>\n<\/head>\n<body>\n\n<div id=\"chemistry-toc-wrapper\">\n  <div class=\"container-inner\">\n    <h1>Table of Contents<\/h1>\n    <h2>Chemistry &mdash; Class 11<\/h2>\n    \n    <table>\n      <tr><td>01<\/td><td>Some Basic Concepts of Chemistry<\/td><td><a class=\"go\" href=\"https:\/\/ksquareinstitute.in\/blog\/some-basic-concepts-of-chemistry-class-11\" target=\"_blank\">Go to page<\/a><\/td><\/tr>\n      <tr><td>02<\/td><td>Structure of Atom<\/td><td><a class=\"go\" href=\"https:\/\/ksquareinstitute.in\/blog\/structure-of-atom-class-11\" target=\"_blank\">Go to page<\/a><\/td><\/tr>\n      <tr><td>03<\/td><td>Classification of Elements and Periodicity<\/td><td><a class=\"go\" href=\"https:\/\/ksquareinstitute.in\/blog\/periodic-table-class-11-notes-pdf\" target=\"_blank\">Go to page<\/a><\/td><\/tr>\n      <tr><td>04<\/td><td>Chemical Bonding and Molecular Structure<\/td><td><a class=\"go\" href=\"https:\/\/ksquareinstitute.in\/blog\/chemical-bonding-class-11-notes-pdf\" target=\"_blank\">Go to page<\/a><\/td><\/tr>\n      <tr><td>05<\/td><td>Thermodynamics<\/td><td><a class=\"go\" href=\"https:\/\/ksquareinstitute.in\/blog\/thermodynamics-chemistry-class-11-notes-pdf\" target=\"_blank\">Go to page<\/a><\/td><\/tr>\n      <tr><td>06<\/td><td>Equilibrium<\/td><td><a class=\"go\" href=\"https:\/\/ksquareinstitute.in\/blog\/equilibrium-chemistry-class-11-pdf\" target=\"_blank\">Go to page<\/a><\/td><\/tr>\n      <tr><td>07<\/td><td>Redox Reactions<\/td><td><a class=\"go\" href=\"https:\/\/ksquareinstitute.in\/blog\/redox-reactions-chemistry-class-11-pdf\" target=\"_blank\">Go to page<\/a><\/td><\/tr>\n      <tr><td>08<\/td><td>Organic Chemistry &mdash; Basic Principles<\/td><td><a class=\"go\" href=\"https:\/\/ksquareinstitute.in\/blog\/organic-chemistry-basic-principles-class-11\" target=\"_blank\">Go to page<\/a><\/td><\/tr>\n      <tr><td>09<\/td><td>Hydrocarbons<\/td><td><a class=\"go\" href=\"https:\/\/ksquareinstitute.in\/blog\/hydrocarbons-class-11-notes-pdf\" target=\"_blank\">Go to page<\/a><\/td><\/tr>\n    <\/table>\n  <\/div>\n<\/div>\n\n<\/body>\n<\/html>\n","protected":false},"excerpt":{"rendered":"<p>01 Introduction to Organic Chemistry Organic chemistry is the study of carbon compounds, essentially forming the basis of life. If you are preparing for medical entrance exams, downloading a high-quality organic chemistry basic principles class 11 pdf is your first step toward mastering reactive mechanisms. Carbon is unique because of its ability to form stable [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[127],"tags":[332,333,330,331,334],"class_list":["post-4025","post","type-post","status-publish","format-standard","hentry","category-free-study-material","tag-basic-principles-of-organic-chemistry","tag-isomerism-class-11","tag-iupac-nomenclature-class-11","tag-organic-chemistry-class-11","tag-organic-chemistry-notes"],"blocksy_meta":{"page_structure_type":"type-1","styles_descriptor":{"styles":{"desktop":"","tablet":"","mobile":""},"google_fonts":[],"version":6}},"_links":{"self":[{"href":"https:\/\/ksquareinstitute.in\/blog\/wp-json\/wp\/v2\/posts\/4025","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/ksquareinstitute.in\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/ksquareinstitute.in\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/ksquareinstitute.in\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/ksquareinstitute.in\/blog\/wp-json\/wp\/v2\/comments?post=4025"}],"version-history":[{"count":2,"href":"https:\/\/ksquareinstitute.in\/blog\/wp-json\/wp\/v2\/posts\/4025\/revisions"}],"predecessor-version":[{"id":4239,"href":"https:\/\/ksquareinstitute.in\/blog\/wp-json\/wp\/v2\/posts\/4025\/revisions\/4239"}],"wp:attachment":[{"href":"https:\/\/ksquareinstitute.in\/blog\/wp-json\/wp\/v2\/media?parent=4025"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/ksquareinstitute.in\/blog\/wp-json\/wp\/v2\/categories?post=4025"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/ksquareinstitute.in\/blog\/wp-json\/wp\/v2\/tags?post=4025"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}