{"id":4029,"date":"2026-03-30T12:03:31","date_gmt":"2026-03-30T12:03:31","guid":{"rendered":"https:\/\/ksquareinstitute.in\/blog\/?p=4029"},"modified":"2026-04-03T12:40:33","modified_gmt":"2026-04-03T12:40:33","slug":"solutions-chemistry-class-12-notes-pdf","status":"publish","type":"post","link":"https:\/\/ksquareinstitute.in\/blog\/solutions-chemistry-class-12-notes-pdf\/","title":{"rendered":"Solutions Chemistry Class 12 Notes PDF: Ultimate NEET Revision 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        * { box-sizing: border-box; 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margin-top: 60px; }\n        .cta-section h2 { color: white; justify-content: center; margin-bottom: 16px; }\n        .cta-section p { color: rgba(255,255,255,0.85); max-width: 700px; margin: 0 auto 30px; }\n        .cta-buttons { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }\n        .btn { padding: 14px 32px; border-radius: 8px; font-weight: 700; text-decoration: none; transition: 0.3s; }\n        .btn-white { background: white; color: var(--accent); }\n        .btn-outline { border: 2px solid white; color: white; }\n\n        .internal-links { background: #f9fafb; border: 1px solid var(--border); border-radius: 10px; padding: 24px; margin: 40px 0; }\n        .internal-links-title { color: var(--text-muted); 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 { background: var(--dark); color: white; display: inline-flex; align-items: center; gap: 10px; padding: 12px 24px; border-radius: 8px; text-decoration: none; font-weight: 600; margin-top: 20px; }\n    <\/style>\n<\/head>\n<body>\n\n<div class=\"content-wrapper\">\n    <div class=\"container\">\n\n        <p>Mastering the concepts of liquid mixtures is vital for scoring high in Physical Chemistry. This <strong>solutions chemistry class 12 notes pdf<\/strong> guide provides a structured breakdown of everything from concentration terms to abnormal molar masses. For NEET aspirants, understanding the quantitative relationships in solutions is the gateway to solving complex numericals with speed and precision.<\/p>\n\n        <h2><div class=\"badge\">01<\/div>Introduction to Solutions<\/h2>\n        <p>A solution is a homogeneous mixture of two or more chemically non-reacting substances whose composition can be varied within certain limits. In a binary solution, we deal with two components: the Solute (present in smaller quantity) and the Solvent (present in larger quantity).<\/p>\n        \n        <div class=\"card-grid\">\n            <div class=\"card\">\n                <span class=\"card-title\">SOLUTE<\/span>\n                The substance being dissolved. Its physical state often changes during solution formation.\n            <\/div>\n            <div class=\"card\">\n                <span class=\"card-title\">SOLVENT<\/span>\n                The dissolving medium. It determines the physical state of the final solution.\n            <\/div>\n        <\/div>\n\n        <h3>Classification based on Physical State<\/h3>\n        <div class=\"table-container\">\n            <table>\n                <thead>\n                    <tr>\n                        <th>Type of Solution<\/th>\n                        <th>Solute<\/th>\n                        <th>Solvent<\/th>\n                        <th>Common Example<\/th>\n                    <\/tr>\n                <\/thead>\n                <tbody>\n                    <tr>\n                        <td>Gaseous Solution<\/td>\n                        <td>Gas<\/td>\n                        <td>Gas<\/td>\n                        <td>Mixture of oxygen and nitrogen (Air)<\/td>\n                    <\/tr>\n                    <tr>\n                        <td>Liquid Solution<\/td>\n                        <td>Solid<\/td>\n                        <td>Liquid<\/td>\n                        <td>Sugar dissolved in water<\/td>\n                    <\/tr>\n                    <tr>\n                        <td>Solid Solution<\/td>\n                        <td>Gas<\/td>\n                        <td>Solid<\/td>\n                        <td>Solution of hydrogen in palladium<\/td>\n                    <\/tr>\n                <\/tbody>\n            <\/table>\n        <\/div>\n\n        <h2><div class=\"badge\">02<\/div>Concentration Terms and Calculations<\/h2>\n        <p>Quantifying the amount of solute in a solution is the foundation of this <strong>solutions chemistry class 12 notes pdf<\/strong>. Various terms are used depending on whether mass or volume is being considered.<\/p>\n\n        <div class=\"formula-dark\">\n            <span class=\"formula-dark-label\">MOLARITY (M)<\/span>\n            <div class=\"formula-dark-content\">M = (Moles of solute) \/ (Volume of solution in Litres)<\/div>\n        <\/div>\n\n        <div class=\"formula-orange\">\n            <div class=\"formula-orange-content\">Molality (m) = (Moles of solute) \/ (Mass of solvent in Kilograms)<\/div>\n        <\/div>\n\n        <div class=\"callout tip\">\n            <div class=\"callout-pill\">TIP<\/div>\n            Molality (m) and Mole Fraction (\u03c7) are temperature-independent because they are based on mass. Molarity (M) changes with temperature as volume expands or contracts.\n        <\/div>\n\n        <h3>Mole Fraction (\u03c7)<\/h3>\n        <p>It is the ratio of the number of moles of one component to the total number of moles of all components in the solution. For a binary mixture of A and B:<\/p>\n        <div class=\"formula-dark\">\n            <span class=\"formula-dark-label\">MOLE FRACTION FORMULA<\/span>\n            <div class=\"formula-dark-content\">\u03c7<sub>A<\/sub> = n<sub>A<\/sub> \/ (n<sub>A<\/sub> + n<sub>B<\/sub>) | Note: \u03c7<sub>A<\/sub> + \u03c7<sub>B<\/sub> = 1<\/div>\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\">03<\/div>Solubility and Henry&#8217;s Law<\/h2>\n        <p>Solubility is the maximum amount of a solute that can be dissolved in a specific amount of solvent at a specific temperature. For gases in liquids, pressure plays a defining role, described by Henry\u2019s Law.<\/p>\n\n        <div class=\"formula-orange\">\n            <div class=\"formula-orange-content\">Henry&#8217;s Law: P = K<sub>H<\/sub> \u00d7 \u03c7 | Where P is partial pressure and K<sub>H<\/sub> is Henry&#8217;s constant.<\/div>\n        <\/div>\n\n        <div class=\"callout warning\">\n            <div class=\"callout-pill\">WARN<\/div>\n            Solubility of gases in liquids decreases with an increase in temperature because the dissolution of gases is generally an exothermic process.\n        <\/div>\n\n        <h3>Applications of Henry\u2019s Law<\/h3>\n        <ul>\n            <li><strong>Soft Drinks:<\/strong> CO<sub>2<\/sub> is sealed under high pressure to increase its solubility.<\/li>\n            <li><strong>Scuba Diving:<\/strong> To avoid &#8216;bends&#8217; caused by nitrogen bubbles, divers use tanks diluted with helium.<\/li>\n            <li><strong>Anoxia:<\/strong> At high altitudes, low partial pressure of oxygen leads to low blood oxygen levels.<\/li>\n        <\/ul>\n\n        <h2><div class=\"badge\">04<\/div>Vapour Pressure and Raoult&#8217;s Law<\/h2>\n        <p>Vapour pressure is the pressure exerted by vapours in equilibrium with the liquid at a particular temperature. This <strong>solutions chemistry class 12 notes pdf<\/strong> section covers the behavior of volatile and non-volatile solutes.<\/p>\n\n        <div class=\"formula-dark\">\n            <span class=\"formula-dark-label\">RAOULT&#8217;S LAW<\/span>\n            <div class=\"formula-dark-content\">P<sub>A<\/sub> = P\u00b0<sub>A<\/sub> \u00d7 \u03c7<sub>A<\/sub><\/div>\n        <\/div>\n\n        <div class=\"card-grid\">\n            <div class=\"card\">\n                <span class=\"card-title\">IDEAL SOLUTIONS<\/span>\n                Obey Raoult&#8217;s law at all concentrations. \u0394H<sub>mix<\/sub> = 0 and \u0394V<sub>mix<\/sub> = 0.\n            <\/div>\n            <div class=\"card\">\n                <span class=\"card-title\">NON-IDEAL SOLUTIONS<\/span>\n                Show deviations from Raoult&#8217;s law due to differences in intermolecular forces (A-B vs A-A\/B-B).\n            <\/div>\n        <\/div>\n\n        <h2><div class=\"badge\">05<\/div>Ideal and Non-Ideal Solutions: Deviations<\/h2>\n        <p>When the interactions between solute and solvent (A-B) are different from pure components, we see deviations. This is a high-yield topic in our <strong>solutions chemistry class 12 notes pdf<\/strong> guide.<\/p>\n\n        <div class=\"table-container\">\n            <table>\n                <thead>\n                    <tr>\n                        <th>Characteristic<\/th>\n                        <th>Positive Deviation<\/th>\n                        <th>Negative Deviation<\/th>\n                    <\/tr>\n                <\/thead>\n                <tbody>\n                    <tr>\n                        <td>A-B Interactions<\/td>\n                        <td>Weaker than A-A or B-B<\/td>\n                        <td>Stronger than A-A or B-B<\/td>\n                    <\/tr>\n                    <tr>\n                        <td>Vapour Pressure<\/td>\n                        <td>Higher than expected<\/td>\n                        <td>Lower than expected<\/td>\n                    <\/tr>\n                    <tr>\n                        <td>\u0394H<sub>mixing<\/sub><\/td>\n                        <td>Positive (Endothermic)<\/td>\n                        <td>Negative (Exothermic)<\/td>\n                    <\/tr>\n                    <tr>\n                        <td>Example<\/td>\n                        <td>Ethanol + Acetone<\/td>\n                        <td>Chloroform + Acetone<\/td>\n                    <\/tr>\n                <\/tbody>\n            <\/table>\n        <\/div>\n\n        <h2><div class=\"badge\">06<\/div>Colligative Properties<\/h2>\n        <p>Colligative properties depend only on the number of solute particles and not on their nature. These are the most important numerical areas in the <strong>solutions chemistry class 12 notes pdf<\/strong>.<\/p>\n\n        <h3>1. Relative Lowering of Vapour Pressure<\/h3>\n        <div class=\"formula-dark\">\n            <span class=\"formula-dark-label\">RLVP FORMULA<\/span>\n            <div class=\"formula-dark-content\">(P\u00b0 \u2212 P<sub>s<\/sub>) \/ P\u00b0 = \u03c7<sub>solute<\/sub><\/div>\n        <\/div>\n\n        <h3>2. Elevation of Boiling Point<\/h3>\n        <div class=\"formula-orange\">\n            <div class=\"formula-orange-content\">\u0394T<sub>b<\/sub> = K<sub>b<\/sub> \u00d7 m | Where K<sub>b<\/sub> is Molal Elevation Constant.<\/div>\n        <\/div>\n\n        <h3>3. Depression of Freezing Point<\/h3>\n        <div class=\"formula-dark\">\n            <span class=\"formula-dark-label\">FREEZING POINT<\/span>\n            <div class=\"formula-dark-content\">\u0394T<sub>f<\/sub> = K<sub>f<\/sub> \u00d7 m | Where K<sub>f<\/sub> is Molal Depression Constant.<\/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\">07<\/div>Osmotic Pressure and Reverse Osmosis<\/h2>\n        <p>Osmosis is the spontaneous flow of solvent through a semi-permeable membrane. Osmotic pressure (\u03c0) is the minimum pressure required to stop this flow.<\/p>\n\n        <div class=\"formula-orange\">\n            <div class=\"formula-orange-content\">\u03c0 = CRT | Where C is Molarity, R is Gas Constant, and T is Temperature.<\/div>\n        <\/div>\n\n        <div class=\"card-grid\">\n            <div class=\"card\">\n                <span class=\"card-title\">ISOTONIC<\/span>\n                Solutions having the same osmotic pressure at the same temperature.\n            <\/div>\n            <div class=\"card\">\n                <span class=\"card-title\">REVERSE OSMOSIS<\/span>\n                Applying pressure greater than \u03c0 to the solution side to force solvent out. Used in desalination.\n            <\/div>\n        <\/div>\n\n        <h2><div class=\"badge\">08<\/div>Van\u2019t Hoff Factor (i) and Abnormal Molar Mass<\/h2>\n        <p>When solutes associate or dissociate in a solvent, the number of particles changes, leading to &#8220;abnormal&#8221; molar masses. The van&#8217;t Hoff factor (i) corrects this in our <strong>solutions chemistry class 12 notes pdf<\/strong> formulas.<\/p>\n\n        <div class=\"formula-dark\">\n            <span class=\"formula-dark-label\">VAN&#8217;T HOFF FACTOR<\/span>\n            <div class=\"formula-dark-content\">i = (Observed Colligative Property) \/ (Calculated Colligative Property)<\/div>\n        <\/div>\n\n        <ul>\n            <li><strong>Dissociation (e.g., NaCl):<\/strong> i > 1. Molar mass appears lower.<\/li>\n            <li><strong>Association (e.g., Acetic acid in benzene):<\/strong> i < 1. Molar mass appears higher.<\/li>\n        <\/ul>\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>Quick Revision Summary<\/h3>\n            <ul>\n                <li>Solutions are homogeneous mixtures; binary has 2 components.<\/li>\n                <li>Molarity depends on T; Molality is independent of T.<\/li>\n                <li>Henry&#8217;s Law: P = K<sub>H<\/sub>\u03c7. Solubility of gas \u221d Pressure.<\/li>\n                <li>Ideal solutions: \u0394H<sub>mix<\/sub> = 0, \u0394V<sub>mix<\/sub> = 0.<\/li>\n                <li>Azeotropes are constant boiling mixtures that cannot be separated by distillation.<\/li>\n                <li>Colligative properties depend on the *number* of particles only.<\/li>\n                <li>\u0394T<sub>b<\/sub> and \u0394T<sub>f<\/sub> use molality (m).<\/li>\n                <li>\u03c0 = CRT uses molarity (C).<\/li>\n                <li>Van&#8217;t Hoff factor i > 1 for dissociation; i < 1 for association.<\/li>\n                <li>Reverse Osmosis is used for water purification and desalination.<\/li>\n            <\/ul>\n            <a href=\"#\" class=\"download-btn\" rel=\"nofollow noopener noreferrer\">\n                <span>Download Solutions Formula Sheet<\/span>\n            <\/a>\n        <\/div>\n\n        <h2><div class=\"badge\">09<\/div>Frequently Asked Questions<\/h2>\n        <div class=\"faq-container\">\n            <details>\n                <summary>\n                    <span>Why is molality preferred over molarity for experimental work?<\/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\">Molality is based on the mass of the solvent, which does not change with temperature. Molarity is based on the volume of the solution, which expands or contracts as temperature varies, leading to inconsistent concentration values.<\/div>\n            <\/details>\n            <details>\n                <summary>\n                    <span>What are azeotropes?<\/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\">Azeotropes are binary mixtures having the same composition in liquid and vapour phase and boil at a constant temperature. They cannot be separated into pure components by fractional distillation.<\/div>\n            <\/details>\n            <details>\n                <summary>\n                    <span>How does adding a non-volatile solute affect boiling point?<\/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\">Adding a non-volatile solute lowers the vapour pressure of the solvent. To make the vapour pressure equal to atmospheric pressure, a higher temperature is required, leading to elevation in boiling point.<\/div>\n            <\/details>\n            <details>\n                <summary>\n                    <span>What is the physical significance of the van&#8217;t Hoff factor?<\/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 represents the extent of association or dissociation of a solute in a solvent. It allows us to relate the actual number of particles in solution to the number of formula units originally dissolved.<\/div>\n            <\/details>\n            <details>\n                <summary>\n                    <span>Why is osmotic pressure used to determine molar mass of polymers?<\/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\">Osmotic pressure measurements are carried out at room temperature, and the magnitude of osmotic pressure is relatively large even for very dilute solutions, making it more accurate for large molecules like polymers.<\/div>\n            <\/details>\n        <\/div>\n\n        <div class=\"cta-section\">\n            <h2>Perfect Your NEET Score with KSquare<\/h2>\n            <p>Ready to dissolve your doubts? Join KSquare Institute&#8217;s Mission 180 Rankers Batch and master Physical Chemistry with personalized mentorship and high-yield study resources.<\/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 12<\/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 (#chemistry-toc-wrapper).\n       This ensures these styles do not leak and affect other parts of your website.\n    *\/\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; \/* Edge-to-edge layout *\/\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; \/* Column borders as per reference image *\/\n    }\n\n    #chemistry-toc-wrapper td:last-child {\n      border-right: none;\n    }\n\n    \/* Column 1: Index Numbers *\/\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    \/* Column 2: Chapter Titles *\/\n    #chemistry-toc-wrapper td:nth-child(2) {\n      padding-left: 32px; \/* Breathing room before chapter text *\/\n      color: #18181b;\n    }\n\n    \/* Column 3: Action Button *\/\n    #chemistry-toc-wrapper td:last-child {\n      text-align: right;\n      width: 180px;\n      padding-right: 24px; \/* Space after the button *\/\n    }\n\n    \/* Premium 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 Logic *\/\n    @media (max-width: 768px) {\n      #chemistry-toc-wrapper h2 {\n        font-size: 1.75rem;\n        margin-bottom: 32px;\n        padding-left: 12px;\n      }\n      #chemistry-toc-wrapper td {\n        padding: 18px 12px;\n        font-size: 0.95rem;\n      }\n      #chemistry-toc-wrapper td:nth-child(2) {\n        padding-left: 16px;\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 12<\/h2>\n    \n    <table>\n      <tr><td>01<\/td><td>Solutions<\/td><td><a class=\"go\" href=\"https:\/\/ksquareinstitute.in\/blog\/solutions-chemistry-class-12-notes-pdf\" target=\"_blank\">Go to page<\/a><\/td><\/tr>\n      <tr><td>02<\/td><td>Electrochemistry<\/td><td><a class=\"go\" href=\"https:\/\/ksquareinstitute.in\/blog\/electrochemistry-class-12-notes-pdf\" target=\"_blank\">Go to page<\/a><\/td><\/tr>\n      <tr><td>03<\/td><td>Chemical Kinetics<\/td><td><a class=\"go\" href=\"https:\/\/ksquareinstitute.in\/blog\/chemical-kinetics-class-12-notes-pdf\" target=\"_blank\">Go to page<\/a><\/td><\/tr>\n      <tr><td>04<\/td><td>d- and f-Block Elements<\/td><td><a class=\"go\" href=\"https:\/\/ksquareinstitute.in\/blog\/d-and-f-block-elements-class-12-pdf\" target=\"_blank\">Go to page<\/a><\/td><\/tr>\n      <tr><td>05<\/td><td>Coordination Compounds<\/td><td><a class=\"go\" href=\"https:\/\/ksquareinstitute.in\/blog\/coordination-compounds-class-12-pdf\" target=\"_blank\">Go to page<\/a><\/td><\/tr>\n      <tr><td>06<\/td><td>Haloalkanes and Haloarenes<\/td><td><a class=\"go\" href=\"https:\/\/ksquareinstitute.in\/blog\/haloalkanes-and-haloarenes-class-12-pdf\" target=\"_blank\">Go to page<\/a><\/td><\/tr>\n      <tr><td>07<\/td><td>Alcohols, Phenols and Ethers<\/td><td><a class=\"go\" href=\"https:\/\/ksquareinstitute.in\/blog\/alcohols-phenols-ethers-class-12-pdf\" target=\"_blank\">Go to page<\/a><\/td><\/tr>\n      <tr><td>08<\/td><td>Aldehydes, Ketones and Carboxylic Acids<\/td><td><a class=\"go\" href=\"https:\/\/ksquareinstitute.in\/blog\/aldehydes-ketones-carboxylic-acids-class-12\" target=\"_blank\">Go to page<\/a><\/td><\/tr>\n      <tr><td>09<\/td><td>Amines<\/td><td><a class=\"go\" href=\"https:\/\/ksquareinstitute.in\/blog\/amines-class-12-notes-pdf\" target=\"_blank\">Go to page<\/a><\/td><\/tr>\n      <tr><td>10<\/td><td>Biomolecules<\/td><td><a class=\"go\" href=\"https:\/\/ksquareinstitute.in\/blog\/biomolecules-class-12-chemistry\" 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>Mastering the concepts of liquid mixtures is vital for scoring high in Physical Chemistry. This solutions chemistry class 12 notes pdf guide provides a structured breakdown of everything from concentration terms to abnormal molar masses. For NEET aspirants, understanding the quantitative relationships in solutions is the gateway to solving complex numericals with speed and precision. [&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":[341,340,342,343,339],"class_list":["post-4029","post","type-post","status-publish","format-standard","hentry","category-free-study-material","tag-chemistry-class-12-pdf","tag-colligative-properties-notes","tag-molarity-molality-formulas","tag-solutions-chapter-notes","tag-solutions-class-12"],"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\/4029","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=4029"}],"version-history":[{"count":3,"href":"https:\/\/ksquareinstitute.in\/blog\/wp-json\/wp\/v2\/posts\/4029\/revisions"}],"predecessor-version":[{"id":4243,"href":"https:\/\/ksquareinstitute.in\/blog\/wp-json\/wp\/v2\/posts\/4029\/revisions\/4243"}],"wp:attachment":[{"href":"https:\/\/ksquareinstitute.in\/blog\/wp-json\/wp\/v2\/media?parent=4029"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/ksquareinstitute.in\/blog\/wp-json\/wp\/v2\/categories?post=4029"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/ksquareinstitute.in\/blog\/wp-json\/wp\/v2\/tags?post=4029"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}