CBSE Class 12 Chemistry Coordination Compounds Question Bank Set A

Access the latest CBSE Class 12 Chemistry Coordination Compounds Question Bank Set A. We have provided free printable Class 12 Chemistry worksheets in PDF format, specifically designed for Unit 5 Coordination Compounds. These practice sets are prepared by expert teachers following the 2025-26 syllabus and exam patterns issued by CBSE, NCERT, and KVS.

Unit 5 Coordination Compounds Chemistry Practice Worksheet for Class 12

Students should use these Class 12 Chemistry chapter-wise worksheets for daily practice to improve their conceptual understanding. This detailed test papers include important questions and solutions for Unit 5 Coordination Compounds, to help you prepare for school tests and final examination. Regular practice of these Class 12 Chemistry questions will help improve your problem-solving speed and exam accuracy for the 2026 session.

Download Class 12 Chemistry Unit 5 Coordination Compounds Worksheet PDF

 

Co-ordination compounds
 
1 Define the following:
 
(i) Co-ordination compounds ;
 
(ii) Ligand ; Ambidendate ligand ;
 
(iii) Co-ordination number
 
(iv) Oxidation number ;
 
(v) Denticity ;
 
(vi) Co-ordination polyhedron ;
 
(vii) Chelating agents
 
(viii) Chelate compounds;
 
(ix) Isomerism;
 
(x) CFSE;
 
(xi) Spectrochemical series
 
2 Write the IUPAC name and denticity of the following ligands:
MH3; H2O; NO; CO; X-; OH-; cyanide ion; nitrite ion; thiocyante ion; CO32-; SO42-;O2-; en; dien; trine;oxalate ion; dmg; EDTA3-; EDTA4-; o-phenanthroline; pyridine
 
3 Explain the following types of isomerism with suitable examples:
 
(i) Ionisation
 
(ii) co-ordination
 
(iii) linkage
 
(iv) hydrate
 
(v) cis-trans in square planar and octahedral complexes
 
(vi) facial and meridional
 
(vii) optical isomerism
 
4 Give the salient features of Werner’s theory of complexes. Mention two limitations.
 
5 On the basis of VB theory, explain the geometry and magnetic properties of the following complexes.
 
(i) [Cr (NH3)6]3+ ;
 
(ii) [Cr (H2O)6]3+;
 
(iii) [Fe(CN)6]3-;
 
(iv) [Co (NH3)6 ]3+;
 
(v) [CoF6]3- ;
 
(vi) [Ni(CO)4];
 
(vii) [Ni(CN)4]2- ;
 
(viii) [Cu(NH3)4]2+ ;
 
(ix) [PtCl4]2- ;
 
(x) [Pt(CN)4]2-
 
6 Give the salient features of Crystal field theory.
 
7 On the basis of CFT, explain formation of a) octahedral complex   b) tetrahedral complex.
 
8 Explain the conditions under which a high/low spin octahedral complex would be formed.
 
9 Give reasons:
 
a) [Fe(H2O)6]2+ is a high spin complex while [Fe(CN)6]4- is a low spin complex.
 
b) Complexes of 3rd transition series are generally low spin complexes.
 
c) Complexes with 4-7 d electrons are more stable with strong ligands than with weak ligands.
 
d) [CoF6]3- is a high spin complex while [Co(NH3)6]3+ is a low spin complex.
 
e) Mn2+ is aq solution is colourless.
 
f) All tetrahedral complexes are of high spin.
 
g) [Co(H2O)6]3+ is pink while [CoCl4]2- is blue.
 
10 Explain the bonding in carbonyls with suitable examples:
 
11 Give the structure of
 
(i) [Ni(CO)4];
 
(ii) [Fe(CO)5];
 
(iii) [Mo (CO)6] ;
 
(iv) [Mn2 (CO)10] ;
 
(v) [Fe2(CO)9] ;
 
(vi) [Co2(CO)8
 
12 Give applications of complexes in
 
(i) biological systems
 
(ii) qualitative analysis
 
(iii) metallurgy
 
(iv) medicine
 
(v) organic synthesis
 
(vi) photography
 
(vii) catalyst
 
13 Explain the following terms:
 
(i) Crystal field splitting in an octahedral field
 
(ii) Spectrochemical series
 
14 For the complex [Fe(en)2Cl2]Cl, identify (Fe = 26), Identify
 
(i) The oxidation number of Fe
 
(ii) The magnetic behaviour of the complex
 
(iii) Hybridisation of Fe
 
(iv) The number of geometrical isomers possible
 
(v) Whether optical isomer is possible or not?
 
(vi) Name of the complex
 
15 Write three Shortcomings of valence bond theory:
 
16 Explain on the basis of valence bond theory that [Ni(CN)4]2– ion with square planar structure is diamagnetic and the [NiCl4]2– ion with tetrahedral geometry is paramagnetic.

 

Please click on below link to download CBSE Class 12 Chemistry Coordination Compounds Question Bank Set A

Unit 02 Electrochemistry
CBSE Class 12 Chemistry Electrochemistry Question Bank
CBSE Class 12 Chemistry Electrochemistry Question Bank Set A
CBSE Class 12 Chemistry Electrochemistry Question Bank Set B
CBSE Class 12 Chemistry Electrochemistry Question Bank Set C
CBSE Class 12 Chemistry Electrochemistry Worksheet Set A
CBSE Class 12 Chemistry Electrochemistry Worksheet Set B
CBSE Class 12 Chemistry Electrochemistry Worksheet Set C
Unit 03 Chemical Kinetics
CBSE Class 12 Chemistry Chemical Kinetics Question Bank Set A
CBSE Class 12 Chemistry Chemical Kinetics Question Bank Set B
CBSE Class 12 Chemistry Chemical Kinetics Worksheet
CBSE Class 12 Chemistry Chemical Kinetics Worksheet Set A
CBSE Class 12 Chemistry Chemical Kinetics Worksheet Set B
CBSE Class 12 Chemistry Chemical Kinetics Worksheet Set C
CBSE Class 12 Chemistry Chemical Kinetics Worksheet Set D
Unit 04 The d- and f-Block Elements
CBSE Class 12 Chemistry All Chapters Solved Worksheet
CBSE Class 12 Chemistry D And F Block Elements Question Bank Set A
CBSE Class 12 Chemistry D And F Block Elements Question Bank Set B
CBSE Class 12 Chemistry D And F Block Elements Worksheet Set A
CBSE Class 12 Chemistry D And F Block Elements Worksheet Set B
CBSE Class 12 Chemistry D And F Block Elements Worksheet Set C
CBSE Class 12 Chemistry Organic Compounds Containing Nitrogen Worksheet
CBSE Class 12 Chemistry The d and f Block Elements Worksheet Set A
CBSE Class 12 Chemistry The d and f Block Elements Worksheet Set B
CBSE Class 12 Chemistry The D Block Elements Worksheet
Unit 05 Coordination Compounds
CBSE Class 12 Chemistry Coordination Compounds Question Bank Set A
CBSE Class 12 Chemistry Coordination Compounds Question Bank Set B
CBSE Class 12 Chemistry Coordination Compounds Worksheet Set A
CBSE Class 12 Chemistry Coordination Compounds Worksheet Set B
CBSE Class 12 Chemistry Coordination Compounds Worksheet Set C
CBSE Class 12 Chemistry Coordination Compounds Worksheet Set D
CBSE Class 12 Chemistry Coordination Compounds Worksheet Set E
Unit 06 Haloalkanes and Haloarenes
CBSE Class 12 Chemistry Haloalkanes And Haloarenes Question Bank Set A
CBSE Class 12 Chemistry Haloalkanes And Haloarenes Question Bank Set B
CBSE Class 12 Chemistry Haloalkanes and Haloarenes Worksheet Set A
CBSE Class 12 Chemistry Haloalkanes and Haloarenes Worksheet Set B
CBSE Class 12 Chemistry Haloalkanes And Haloarenes Worksheet Set C
CBSE Class 12 Chemistry Haloalkanes And Haloarenes Worksheet Set D
CBSE Class 12 Chemistry Haloalkanes And Haloarenes Worksheet Set E
Unit 07 Alcohols, Phenols and Ethers
CBSE Class 12 Chemistry Alcohols Phenols And Ethers Question Bank
CBSE Class 12 Chemistry Alcohols Phenols and Ethers Worksheet Set A
CBSE Class 12 Chemistry Alcohols Phenols And Ethers Worksheet Set B
CBSE Class 12 Chemistry Alcohols Phenols And Ethers Worksheet Set C
CBSE Class 12 Chemistry Alcohols Phenols And Ethers Worksheet Set D
CBSE Class 12 Chemistry Alcohols Phenols And Ethers Worksheet Set E
Unit 08 Aldehydes, Ketones and Carboxylic Acids
CBSE Class 12 Chemistry Aldehydes Ketone and Carboxylic Acids Worksheet Set A
CBSE Class 12 Chemistry Aldehydes Ketone and Carboxylic Acids Worksheet Set B
CBSE Class 12 Chemistry Aldehydes Ketones And Carboxylic Acids Question Bank Set A
CBSE Class 12 Chemistry Aldehydes Ketones And Carboxylic Acids Question Bank Set B
CBSE Class 12 Chemistry Aldehydes Ketones And Carboxylic Acids Question Bank Set C
CBSE Class 12 Chemistry Aldehydes Ketones And Carboxylic Acids Question Bank Set D
CBSE Class 12 Chemistry Aldehydes Ketones And Carboxylic Acids Question Bank Set E
Unit 09 Amines
CBSE Class 12 Chemistry Amines Worksheet Set A
CBSE Class 12 Chemistry Amines Worksheet Set B
CBSE Class 12 Chemistry Amines Worksheet Set C
CBSE Class 12 Chemistry Amines Worksheet Set D
CBSE Class 12 Chemistry Amines Worksheet Set E
Unit 10 Biomolecules
CBSE Class 12 Chemistry Biomolecules Question Bank Set A
CBSE Class 12 Chemistry Biomolecules Question Bank Set B
CBSE Class 12 Chemistry Biomolecules Worksheet Set A
CBSE Class 12 Chemistry Biomolecules Worksheet Set B
CBSE Class 12 Chemistry Biomolecules Worksheet Set C
CBSE Class 12 Chemistry Biomolecules Worksheet Set D
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CBSE Class 12 Chemistry Solutions Worksheet
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CBSE Class 12 Chemistry General Principles And Processes of Isolation of Elements Worksheet Set B
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CBSE Class 12 Chemistry General Principles And Processes of Isolation of Elements Worksheet Set D
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More free study material for Chemistry

Unit 5 Coordination Compounds CBSE Class 12 Chemistry Worksheet

Students can use the Unit 5 Coordination Compounds practice sheet provided above to prepare for their upcoming school tests. This solved questions and answers follow the latest CBSE syllabus for Class 12 Chemistry. You can easily download the PDF format and solve these questions every day to improve your marks. Our expert teachers have made these from the most important topics that are always asked in your exams to help you get more marks in exams.

NCERT Based Questions and Solutions for Unit 5 Coordination Compounds

Our expert team has used the official NCERT book for Class 12 Chemistry to create this practice material for students. After solving the questions our teachers have also suggested to study the NCERT solutions  which will help you to understand the best way to solve problems in Chemistry. You can get all this study material for free on studiestoday.com.

Extra Practice for Chemistry

To get the best results in Class 12, students should try the Chemistry MCQ Test for this chapter. We have also provided printable assignments for Class 12 Chemistry on our website. Regular practice will help you feel more confident and get higher marks in CBSE examinations.

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Are these Chemistry Class 12 worksheets based on the 2026 competency-based pattern?

Yes, our CBSE Class 12 Chemistry Coordination Compounds Question Bank Set A includes a variety of questions like Case-based studies, Assertion-Reasoning, and MCQs as per the 50% competency-based weightage in the latest curriculum for Class 12.

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