173 public questions tagged with this topic.
Reduction of 1-nitropropane (CH₃CH₂CH₂NO₂) with H₂/Ni yields propan-1-amine (CH₃CH₂CH₂NH₂), as per the PDF’s preparation methods.
Ref: NCERT Class 12 Chemistry > Chapter 13: Amines > Topic: Chemical Reactions of Amines - Mixed Concept Practice
Reduction of nitrobenzene (C₆H₅NO₂) with H₂/Ni yields aniline (C₆H₅NH₂), a primary aromatic amine, as per the PDF’s preparation methods.
Ref: NCERT Class 12 Chemistry > Chapter 13: Amines > Topic: Chemical Reactions of Amines - Mixed Concept Practice
Reduction of nitrobenzene (C₆H₅NO₂) with Sn/HCl yields aniline (C₆H₅NH₂), a primary aromatic amine, as per the PDF’s discussion on amine preparation.
Ref: NCERT Class 12 Chemistry > Chapter 13: Amines > Topic: Chemical Reactions of Amines - Mixed Concept Practice
Reduction of 1-nitrobutane (CH₃CH₂CH₂CH₂NO₂) with H₂/Ni yields butan-1-amine (CH₃CH₂CH₂CH₂NH₂), as per the PDF’s preparation methods.
Ref: NCERT Class 12 Chemistry > Chapter 13: Amines > Topic: Chemical Reactions of Amines - Mixed Concept Practice
[Co(en)2Cl₂]+ (octahedral) can form a trans isomer (symmetric) and a cis isomer (chiral, non-superimposable), showing optical isomerism.
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
These differ by the binding atom of NO₂− (N in nitro vs. O in nitrito), exhibiting linkage isomerism.
Ref: NCERT Class 12 Chemistry > Chapter 5: Coordination Compounds > Topic: Isomerism - Optical Isomerism and Linkage Ionisation Solvate
Ni₂+ (d8) in [Ni(NH₃)6]2+ (octahedral) with NH₃ (moderate field) is high spin: t2g6 eg2, giving 2 unpaired electrons.
Ref: NCERT Class 12 Chemistry > Chapter 5: Coordination Compounds > Topic: Bonding - Valence Bond Theory and Hybridisation
[Cr(NH₃)6]3+ (Cr₃+, d3) is octahedral with NH₃, using inner d orbitals for bonding, resulting in d2sp3 hybridization.
Ref: NCERT Class 12 Chemistry > Chapter 5: Coordination Compounds > Topic: Bonding - Valence Bond Theory and Hybridisation
[Ni(NH₃)4]2+ (Ni₂+, d8) with 4 ligands is square planar, using dsp2 hybridization.
Ref: NCERT Class 12 Chemistry > Chapter 5: Coordination Compounds > Topic: Bonding - Valence Bond Theory and Hybridisation
[PtCl₄]2− has Pt in +2 state (d8), with 4 ligands. It adopts a square planar geometry due to dsp2 hybridization, typical for d8 metals like Pt(II).
Ref: NCERT Class 12 Chemistry > Chapter 5: Coordination Compounds > Topic: Bonding - Valence Bond Theory and Hybridisation
[Fe(CN)6]4− (Fe₂+, d6) is octahedral with strong field CN−, forming a low-spin complex. It uses inner d orbitals, giving d2sp3 hybridization.
Ref: NCERT Class 12 Chemistry > Chapter 5: Coordination Compounds > Topic: Bonding - Valence Bond Theory and Hybridisation
