{"id":4037,"date":"2026-03-31T05:29:42","date_gmt":"2026-03-31T05:29:42","guid":{"rendered":"https:\/\/ksquareinstitute.in\/blog\/?p=4037"},"modified":"2026-04-03T12:42:09","modified_gmt":"2026-04-03T12:42:09","slug":"coordination-compounds-class-12-pdf","status":"publish","type":"post","link":"https:\/\/ksquareinstitute.in\/blog\/coordination-compounds-class-12-pdf\/","title":{"rendered":"Coordination Compounds Class 12 PDF: The Complete 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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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        <h2><div class=\"badge\">01<\/div><span>Introduction to Coordination Compounds<\/span><\/h2>\n        \n        <p>Are you searching for a definitive <strong>coordination compounds class 12 pdf<\/strong> resource for your NEET 2026 preparation? You are in the right place. Coordination chemistry is a fascinating branch of Inorganic Chemistry that explores complex molecules where a central metal atom is surrounded by ligands. For medical aspirants, this chapter is high-yield, consistently accounting for 3-4 questions in the chemistry section. Mastering the IUPAC naming, isomerism, and bonding theories is the secret to securing a top rank.<\/p>\n\n        <p>Historically, the study of these complexes began with Alfred Werner, who is known as the father of coordination chemistry. His pioneering work explains how metals exhibit two types of valencies\u2014primary and secondary\u2014which dictates the structure and properties of these compounds. From the hemoglobin in our blood to industrial catalysts, coordination complexes are everywhere.<\/p>\n\n        <div class=\"formula-dark\">\n            <span class=\"formula-dark-label\">TYPICAL COMPLEX STRUCTURE<\/span>\n            <div class=\"formula-dark-content\">[Co(NH<sub>3<\/sub>)<sub>6<\/sub>]Cl<sub>3<\/sub><\/div>\n        <\/div>\n\n        <h2><div class=\"badge\">02<\/div><span>Werner\u2019s Coordination Theory<\/span><\/h2>\n        <p>Mastering the <strong>coordination compounds class 12 pdf<\/strong> notes requires a deep understanding of Werner\u2019s postulates. He proposed that in a coordination compound, the central metal atom exhibits two types of linkages (valencies).<\/p>\n\n        <div class=\"card-grid\">\n            <div class=\"card\">\n                <span class=\"card-title\">PRIMARY VALENCY<\/span>\n                Ionizable valency that corresponds to the oxidation state of the metal. It is satisfied by negative ions.\n            <\/div>\n            <div class=\"card\">\n                <span class=\"card-title\">SECONDARY VALENCY<\/span>\n                Non-ionizable valency equivalent to the coordination number. It is satisfied by neutral or negative ligands and has fixed spatial orientation.\n            <\/div>\n        <\/div>\n\n        <div class=\"callout tip\">\n            <div class=\"callout-pill\">TIP<\/div>\n            In NEET questions, remember that only the ions outside the coordination sphere (ionizable sphere) will react with reagents like silver nitrate to form precipitates.\n        <\/div>\n\n        <h2><div class=\"badge\">03<\/div><span>Key Terminology in Coordination Chemistry<\/span><\/h2>\n        <p>Before diving into naming rules, you must be comfortable with the jargon used in any <strong>coordination compounds class 12 pdf<\/strong> guide. The central metal atom acts as a Lewis acid, while ligands act as Lewis bases.<\/p>\n\n        <div class=\"table-container\">\n            <table>\n                <thead>\n                    <tr>\n                        <th>Term<\/th>\n                        <th>Definition<\/th>\n                        <th>Example<\/th>\n                    <\/tr>\n                <\/thead>\n                <tbody>\n                    <tr>\n                        <td>Ligand<\/td>\n                        <td>An ion or molecule capable of donating a pair of electrons to the metal.<\/td>\n                        <td>Cl<sup>&minus;<\/sup>, H<sub>2<\/sub>O, NH<sub>3<\/sub><\/td>\n                    <\/tr>\n                    <tr>\n                        <td>Chelation<\/td>\n                        <td>When a polydentate ligand binds to a metal ion through two or more donor atoms.<\/td>\n                        <td>EDTA, Ethane-1,2-diamine (en)<\/td>\n                    <\/tr>\n                    <tr>\n                        <td>Coordination No.<\/td>\n                        <td>Total number of ligand donor atoms to which the metal is directly bonded.<\/td>\n                        <td>6 in [Fe(CN)<sub>6<\/sub>]<sup>4&minus;<\/sup><\/td>\n                    <\/tr>\n                    <tr>\n                        <td>Homoleptic<\/td>\n                        <td>Complexes in which a metal is bound to only one kind of donor groups.<\/td>\n                        <td>[Co(NH<sub>3<\/sub>)<sub>6<\/sub>]<sup>3+<\/sup><\/td>\n                    <\/tr>\n                <\/tbody>\n            <\/table>\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><span>Nomenclature of Coordination Compounds<\/span><\/h2>\n        <p>IUPAC naming is a cornerstone of this chapter. Most <strong>coordination compounds class 12 pdf<\/strong> materials emphasize these rules for quick scoring. The standard format is: <strong>Prefix-Ligand(s) + Metal + (Oxidation State in Roman numerals)<\/strong>.<\/p>\n\n        <div class=\"formula-orange\">\n            <span class=\"formula-orange-label\">NAMING RULES<\/span>\n            <div class=\"formula-orange-content\">\n                1. Cation is named first. <br>\n                2. Ligands are named in alphabetical order. <br>\n                3. For anionic complexes, metal name ends in &#8216;-ate&#8217; (e.g., Ferrate, Platinate).\n            <\/div>\n        <\/div>\n\n        <div class=\"callout warning\">\n            <div class=\"callout-pill\">WARN<\/div>\n            Be careful with ligands that already have numerical prefixes like ethylenediamine. Use &#8216;bis&#8217;, &#8216;tris&#8217;, &#8216;tetrakis&#8217; instead of &#8216;di&#8217;, &#8216;tri&#8217;, &#8216;tetra&#8217;.\n        <\/div>\n\n        <h2><div class=\"badge\">05<\/div><span>Isomerism: Structural and Stereo<\/span><\/h2>\n        <p>Isomerism is the property where compounds have the same molecular formula but different arrangements. In your <strong>coordination compounds class 12 pdf<\/strong> study, focus heavily on Geometrical and Optical isomerism as they are frequently tested.<\/p>\n\n        <h3>1. Structural Isomerism<\/h3>\n        <ul>\n            <li><strong>Linkage:<\/strong> Occurs with ambidentate ligands like SCN\/NCS.<\/li>\n            <li><strong>Ionisation:<\/strong> Different ions produced in solution (e.g., [Co(NH<sub>3<\/sub>)<sub>5<\/sub>Br]SO<sub>4<\/sub>).<\/li>\n            <li><strong>Solvate:<\/strong> Difference in the number of water molecules as ligands.<\/li>\n        <\/ul>\n\n        <h3>2. Stereoisomerism<\/h3>\n        <p>Stereoisomers have the same chemical bonds but different spatial arrangements. Octahedral complexes of type [MA<sub>2<\/sub>B<sub>4<\/sub>] show <strong>cis-trans<\/strong> isomerism, while [MA<sub>3<\/sub>B<sub>3<\/sub>] show <strong>fac-mer<\/strong> (facial-meridional) isomerism.<\/p>\n\n        <h2><div class=\"badge\">06<\/div><span>Bonding in Complexes: VBT and CFT<\/span><\/h2>\n        <p>How do metals bond with ligands? This is the most conceptual part of any <strong>coordination compounds class 12 pdf<\/strong>. Two major theories dominate: Valence Bond Theory (VBT) and Crystal Field Theory (CFT).<\/p>\n\n        <div class=\"card-grid\">\n            <div class=\"card\">\n                <span class=\"card-title\">VALENCE BOND THEORY<\/span>\n                Explains bonding through hybridization (sp<sup>3<\/sup>, dsp<sup>2<\/sup>, d<sup>2<\/sup>sp<sup>3<\/sup>). It predicts magnetic behavior and geometry.\n            <\/div>\n            <div class=\"card\">\n                <span class=\"card-title\">CRYSTAL FIELD THEORY<\/span>\n                Treats metal-ligand bonds as purely electrostatic. Explains the splitting of d-orbitals into t<sub>2g<\/sub> and e<sub>g<\/sub> sets.\n            <\/div>\n        <\/div>\n\n        <div class=\"formula-dark\">\n            <span class=\"formula-dark-label\">OCTAHEDRAL SPLITTING ENERGY (&Delta;<sub>o<\/sub>)<\/span>\n            <div class=\"formula-dark-content\">CFSE = [&minus;0.4n(t<sub>2g<\/sub>) + 0.6n(e<sub>g<\/sub>)] &Delta;<sub>o<\/sub> + nP<\/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><span>Colour and Magnetic Properties<\/span><\/h2>\n        <p>The striking colours of transition metal complexes are due to <strong>d-d transitions<\/strong>. When a complex absorbs light, an electron is excited from a lower energy d-orbital to a higher one. The complementary colour is observed by the human eye.<\/p>\n\n        <div class=\"formula-orange\">\n            <span class=\"formula-orange-label\">SPIN-ONLY MAGNETIC MOMENT<\/span>\n            <div class=\"formula-orange-content\">&mu; = &radic;[n(n+2)] BM<\/div>\n            <p style=\"font-size: 0.85rem; margin-top: 5px;\">(Where n = number of unpaired electrons)<\/p>\n        <\/div>\n\n        <div class=\"callout tip\">\n            <div class=\"callout-pill\">TIP<\/div>\n            Strong field ligands (like CN<sup>&minus;<\/sup> and CO) cause pairing of electrons, leading to low-spin, diamagnetic complexes. Weak field ligands (like F<sup>&minus;<\/sup>) lead to high-spin, paramagnetic complexes.\n        <\/div>\n\n        <h2><div class=\"badge\">08<\/div><span>Applications of Coordination Compounds<\/span><\/h2>\n        <p>This section of the <strong>coordination compounds class 12 pdf<\/strong> highlights the practical significance of these molecules in biology and industry.<\/p>\n        \n        <div class=\"table-container\">\n            <table>\n                <thead>\n                    <tr>\n                        <th>Complex<\/th>\n                        <th>Significance \/ Use<\/th>\n                    <\/tr>\n                <\/thead>\n                <tbody>\n                    <tr>\n                        <td>Chlorophyll<\/td>\n                        <td>Magnesium complex; vital for photosynthesis.<\/td>\n                    <\/tr>\n                    <tr>\n                        <td>Hemoglobin<\/td>\n                        <td>Iron complex; oxygen carrier in blood.<\/td>\n                    <\/tr>\n                    <tr>\n                        <td>Cisplatin<\/td>\n                        <td>Platinum complex; used as an effective anti-cancer drug.<\/td>\n                    <\/tr>\n                    <tr>\n                        <td>Vitamin B<sub>12<\/sub><\/td>\n                        <td>Cobalt complex; prevents pernicious anemia.<\/td>\n                    <\/tr>\n                <\/tbody>\n            <\/table>\n        <\/div>\n\n        <div class=\"internal-links\">\n            <span class=\"internal-links-title\">RELEVANT NEET STUDY MATERIALS<\/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 Formula Sheet<\/h3>\n            <ul>\n                <li><strong>Effective Atomic Number (EAN):<\/strong> Z &minus; Oxidation State + 2(Coordination Number).<\/li>\n                <li><strong>Magnetic Moment:<\/strong> &mu; = &radic;[n(n+2)] BM.<\/li>\n                <li><strong>CFSE for Octahedral:<\/strong> &minus;0.4 x n(t<sub>2g<\/sub>) + 0.6 x n(e<sub>g<\/sub>).<\/li>\n                <li><strong>CFSE for Tetrahedral:<\/strong> &minus;0.6 x n(e) + 0.4 x n(t<sub>2<\/sub>).<\/li>\n                <li><strong>&Delta;<sub>t<\/sub> = (4\/9) &Delta;<sub>o<\/sub><\/strong>.<\/li>\n                <li>Ambidentate ligands: SCN<sup>&minus;<\/sup>\/NCS<sup>&minus;<\/sup>, NO<sub>2<\/sub><sup>&minus;<\/sup>\/ONO<sup>&minus;<\/sup>, CN<sup>&minus;<\/sup>\/NC<sup>&minus;<\/sup>.<\/li>\n                <li>Optical isomerism is common in octahedral complexes with bidentate ligands like [Co(en)<sub>3<\/sub>]<sup>3+<\/sup>.<\/li>\n                <li>Wilkinson&#8217;s catalyst is used for hydrogenation of alkenes.<\/li>\n                <li>EDTA is a hexadentate ligand used to estimate water hardness.<\/li>\n            <\/ul>\n            <a href=\"#\" class=\"download-btn\" rel=\"nofollow noopener noreferrer\">\n                <span>Download Coordination Compounds PDF<\/span>\n            <\/a>\n        <\/div>\n\n        <h2><div class=\"badge\">09<\/div><span>Frequently Asked Questions<\/span><\/h2>\n        <div class=\"faq-container\">\n            <details>\n                <summary>\n                    <span>What is the difference between a double salt and a coordination compound?<\/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\">Double salts (like Mohr&#8217;s salt) dissociate completely into their constituent simple ions in water. Coordination compounds (like K<sub>4<\/sub>[Fe(CN)<sub>6<\/sub>]) retain their identity in solution; the coordination sphere does not dissociate.<\/div>\n            <\/details>\n            <details>\n                <summary>\n                    <span>Why is [Ni(CN)<sub>4<\/sub>]<sup>2&minus;<\/sup> diamagnetic while [NiCl<sub>4<\/sub>]<sup>2&minus;<\/sup> is paramagnetic?<\/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\">CN<sup>&minus;<\/sup> is a strong field ligand that causes pairing of electrons in Ni<sup>2+<\/sup> (3d<sup>8<\/sup>), resulting in dsp<sup>2<\/sup> hybridization and zero unpaired electrons. Cl<sup>&minus;<\/sup> is a weak field ligand, so electrons remain unpaired in sp<sup>3<\/sup> hybridization.<\/div>\n            <\/details>\n            <details>\n                <summary>\n                    <span>What does the term &#8220;chelate effect&#8221; mean?<\/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\">Chelate effect refers to the increased stability of complexes containing polydentate ligands (chelates) compared to similar complexes with monodentate ligands. This is primarily due to a positive entropy change during formation.<\/div>\n            <\/details>\n            <details>\n                <summary>\n                    <span>Explain linkage isomerism with an example.<\/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\">Linkage isomerism occurs with ambidentate ligands. For example, [Co(NH<sub>3<\/sub>)<sub>5<\/sub>(NO<sub>2<\/sub>)]Cl<sub>2<\/sub> (Nitro) and [Co(NH<sub>3<\/sub>)<sub>5<\/sub>(ONO)]Cl<sub>2<\/sub> (Nitrito) are linkage isomers.<\/div>\n            <\/details>\n            <details>\n                <summary>\n                    <span>Why do tetrahedral complexes not show geometrical isomerism?<\/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\">In a regular tetrahedron, all four positions are equivalent and adjacent to each other. There are no &#8220;opposite&#8221; positions, so cis and trans arrangements are impossible.<\/div>\n            <\/details>\n            <details>\n                <summary>\n                    <span>What is the geometry of a complex with dsp<sup>2<\/sup> hybridization?<\/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\">A complex with dsp<sup>2<\/sup> hybridization always adopts a **Square Planar** geometry. This is common for Ni<sup>2+<\/sup>, Pd<sup>2+<\/sup>, and Pt<sup>2+<\/sup> complexes with strong field ligands.<\/div>\n            <\/details>\n        <\/div>\n\n        <div class=\"cta-section\">\n            <h2>Accelerate Your NEET preparation with KSquare<\/h2>\n            <p>Mastering Coordination Chemistry requires precision and expert guidance. Join KSquare Institute&#8217;s Mission 180 Rankers Batch to access top-tier notes, daily practice sessions, and 24\/7 doubt resolution to boost your NEET rank.<\/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>01 Introduction to Coordination Compounds Are you searching for a definitive coordination compounds class 12 pdf resource for your NEET 2026 preparation? You are in the right place. Coordination chemistry is a fascinating branch of Inorganic Chemistry that explores complex molecules where a central metal atom is surrounded by ligands. For medical aspirants, this chapter [&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":[360,358,359,362,361],"class_list":["post-4037","post","type-post","status-publish","format-standard","hentry","category-free-study-material","tag-class-12-chemistry-coordination-compounds","tag-coordination-compounds-class-12-pdf","tag-coordination-compounds-notes-pdf","tag-isomerism-in-coordination-compounds","tag-nomenclature-of-coordination-compounds"],"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\/4037","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=4037"}],"version-history":[{"count":2,"href":"https:\/\/ksquareinstitute.in\/blog\/wp-json\/wp\/v2\/posts\/4037\/revisions"}],"predecessor-version":[{"id":4247,"href":"https:\/\/ksquareinstitute.in\/blog\/wp-json\/wp\/v2\/posts\/4037\/revisions\/4247"}],"wp:attachment":[{"href":"https:\/\/ksquareinstitute.in\/blog\/wp-json\/wp\/v2\/media?parent=4037"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/ksquareinstitute.in\/blog\/wp-json\/wp\/v2\/categories?post=4037"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/ksquareinstitute.in\/blog\/wp-json\/wp\/v2\/tags?post=4037"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}