NCERT Solutions for Class 12 Help.html Chemistry I Chapter 9 Coordination Compounds

Coordination Compounds Here is the CBSE Help.html Chapter 9 for Class 12 students. Summary and detailed explanation of the lesson, including the definitions of difficult words. All of the exercises and questions and answers from the lesson's back end have been completed. NCERT Solutions for Class 12 Help.html Coordination Compounds Chapter 9 NCERT Solutions for Class 12 Help.html Coordination Compounds Chapter 9 The following is a summary in Hindi and English for the academic year 2025-26. You can save these solutions to your computer or use the Class 12 Help.html.

Question 1

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Write the formula for the following coordination compound:
Tetraaminediaquacobalt(lll)chloride

Solution

Tetraaminediaquacobalt(III) chloride [Co(NH₃)₄(H₂O)₂]Cl₃.

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NCERT Solutions for Class 12 Help.html Chemistry I Chapter 9 Coordination Compounds

Write the formula for the following coordination compound:
Tetraaminediaquacobalt(lll)chloride

Write the formula for the following coordination compound:
Potassium tetracyanidonickelate(II)

Write the formula for the following coordination compound:
Tris(ethane -1, 2-diamine) chromium(III) chloride

Write the formula for the following coordination compound:
Amminebromidochloridonitrito-N-platinate (II)

Write the formula for the following coordination compound:
Dichloridobis(ethane-1, 2-diamine)platinum(lV) nitrate.

Write the formula for the following coordination compound:
Iron(III) hexacyanidoferrate(II)

Write the IUPAC names of the following coordination compounds:
(i) [Co(NH₃)₆]Cl₃(ii) [Co(NH₃)₅Cl]Cl₂
(iii) K₃[Fe(CN)₆]
(iv) K₃[Fe(C₂O₄)_3]
(v) K₂[PdCl4]
(vi) [Pt(NH₃)₂Cl(NH₂CH₃)]Cl.

Indicate the type of isomerism exhibited by the following complexes and draw structures for these isomers:
(i) K[Cr(H₂O)₂(C₂O₄)₂], (ii) [Co(en)₃Cl₃,
(iii) [Co(NH₃)₅(NO₂)]|NO₃]₂, (iv) [Pt(NH₃)(H₂O)Cl₂]

Give evidence that [Co(NH₃)₅Cl]SO₄ and [Co(NH₃)₅SO₄]Cl are ionisation isomers.

Explain on the basis of valence bond theory that [Ni(CN)₄]^2– ion with square planar is diamagnetic and the [NiCl₄]^2– ion with tetrahedral geometry is paramagnetic.

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NCERT Solutions for Class 12 Help.html Chemistry I Chapter 9 Coordination Compounds

Write the formula for the following coordination compound:Tetraaminediaquacobalt(lll)chloride

Write the formula for the following coordination compound:Potassium tetracyanidonickelate(II)

Write the formula for the following coordination compound:Tris(ethane -1, 2-diamine) chromium(III) chloride

Write the formula for the following coordination compound:Amminebromidochloridonitrito-N-platinate (II)

Write the formula for the following coordination compound:Dichloridobis(ethane-1, 2-diamine)platinum(lV) nitrate.

Write the formula for the following coordination compound:Iron(III) hexacyanidoferrate(II)

Write the IUPAC names of the following coordination compounds:(i) [Co(NH3)6]Cl3(ii) [Co(NH3)5Cl]Cl2(iii) K3[Fe(CN)6](iv) K3[Fe(C2O4)3](v) K2[PdCl4] (vi) [Pt(NH3)2Cl(NH2CH3)]Cl.

Indicate the type of isomerism exhibited by the following complexes and draw structures for these isomers:(i) K[Cr(H2O)2(C2O4)2], (ii) [Co(en)3Cl3, (iii) [Co(NH3)5(NO2)]|NO3]2, (iv) [Pt(NH3)(H2O)Cl2]

Give evidence that [Co(NH3)5Cl]SO4 and [Co(NH3)5SO4]Cl are ionisation isomers.

Explain on the basis of valence bond theory that [Ni(CN)4]2– ion with square planar is diamagnetic and the [NiCl4]2– ion with tetrahedral geometry is paramagnetic.

Mock Test Series

NCERT Sample Papers

Entrance Exams Preparation

Write the formula for the following coordination compound:
Tetraaminediaquacobalt(lll)chloride

Write the formula for the following coordination compound:
Potassium tetracyanidonickelate(II)

Write the formula for the following coordination compound:
Tris(ethane -1, 2-diamine) chromium(III) chloride

Write the formula for the following coordination compound:
Amminebromidochloridonitrito-N-platinate (II)

Write the formula for the following coordination compound:
Dichloridobis(ethane-1, 2-diamine)platinum(lV) nitrate.

Write the formula for the following coordination compound:
Iron(III) hexacyanidoferrate(II)

Write the IUPAC names of the following coordination compounds:
(i) [Co(NH₃)₆]Cl₃(ii) [Co(NH₃)₅Cl]Cl₂
(iii) K₃[Fe(CN)₆]
(iv) K₃[Fe(C₂O₄)_3]
(v) K₂[PdCl4]
(vi) [Pt(NH₃)₂Cl(NH₂CH₃)]Cl.

Indicate the type of isomerism exhibited by the following complexes and draw structures for these isomers:
(i) K[Cr(H₂O)₂(C₂O₄)₂], (ii) [Co(en)₃Cl₃,
(iii) [Co(NH₃)₅(NO₂)]|NO₃]₂, (iv) [Pt(NH₃)(H₂O)Cl₂]

Give evidence that [Co(NH₃)₅Cl]SO₄ and [Co(NH₃)₅SO₄]Cl are ionisation isomers.

Explain on the basis of valence bond theory that [Ni(CN)₄]^2– ion with square planar is diamagnetic and the [NiCl₄]^2– ion with tetrahedral geometry is paramagnetic.