34 public questions tagged with this topic.
2-Methylbutane has four unique carbon positions for Br substitution (C₁, C₂ with methyl, C₃, C₄), yielding 4 isomers.
Ref: NCERT Class 12 Chemistry > Chapter 6: Haloalkanes and Haloarenes > Topic: Physical Properties - Boiling Point Dipole Moment Solubility
For C₄H₉Cl , the isomers are 1-chlorobutane, 2-chlorobutane, 1-chloro-2-methylpropane, and 2-chloro-2-methylpropane, totaling 4.
Ref: NCERT Class 12 Chemistry > Chapter 6: Haloalkanes and Haloarenes > Topic: Nucleophilic Substitution Reactions - SN1 and SN2 Mechanisms
Ionization isomerism involves exchange of ligands and counter ions. [Co(NH₃)5SO₄]Br and [Co(NH₃)5Br]SO₄ differ in which ion is inside/outside the coordination sphere.
Ref: NCERT Class 12 Chemistry > Chapter 5: Coordination Compounds > Topic: Werner's Theory and Definitions - Ligands Coordination Number
Ligand exchange between coordination spheres shows coordination isomerism.
Ref: NCERT Class 12 Chemistry > Chapter 5: Coordination Compounds > Topic: Werner's Theory and Definitions - Ligands Coordination Number
Coordination isomerism involves ligand exchange between coordination sphere and counter ions.
Ref: NCERT Class 12 Chemistry > Chapter 5: Coordination Compounds > Topic: Werner's Theory and Definitions - Ligands Coordination Number
[Co(en)2Cl₂]+ (Co₃+, d6) with 2 en and 2 Cl− is octahedral, and the trans isomer has Cl− ligands opposite each other.
Ref: NCERT Class 12 Chemistry > Chapter 5: Coordination Compounds > Topic: Nomenclature of Coordination Compounds
[Cr(NH₃)6][Co(CN)6] swaps NH₃ and CN− between Co and Cr, showing coordination isomerism.
Ref: NCERT Class 12 Chemistry > Chapter 5: Coordination Compounds > Topic: Isomerism - Optical Isomerism and Linkage Ionisation Solvate
[Fe(en)2Cl₂]+ (octahedral) with 2 bidentate en and 2 Cl− can form a cis isomer that is chiral, lacking symmetry.
Ref: NCERT Class 12 Chemistry > Chapter 5: Coordination Compounds > Topic: Isomerism - Optical Isomerism and Linkage Ionisation Solvate
A heteroleptic complex has different types of ligands. [Co(NH₃)5Cl]2+ has NH₃ and Cl−, unlike [Co(NH₃)6]3+ (homoleptic).
Ref: NCERT Class 12 Chemistry > Chapter 5: Coordination Compounds > Topic: Isomerism - Optical Isomerism and Linkage Ionisation Solvate
[Cr(H₂O)3Cl₃] (octahedral, [Ma₃b3]) can have a facial (fac) isomer where 3 Cl− ligands occupy one face.
Ref: NCERT Class 12 Chemistry > Chapter 5: Coordination Compounds > Topic: Isomerism - Optical Isomerism and Linkage Ionisation Solvate
SCN− is ambidentate (S or N binding), while CN− binds only via C. Thus, SCN− can form linkage isomers.
Ref: NCERT Class 12 Chemistry > Chapter 5: Coordination Compounds > Topic: Isomerism - Optical Isomerism and Linkage Ionisation Solvate
[Cr(NH₃)5Cl]SO₄ and [Cr(NH₃)5SO₄]Cl differ by exchanging Cl− and SO₄₂− between the coordination sphere and counter ion.
Ref: NCERT Class 12 Chemistry > Chapter 5: Coordination Compounds > Topic: Isomerism - Optical Isomerism and Linkage Ionisation Solvate
