CBSE Class 12 Chemistry Coordination Compounds

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CBSE Class 12 Chemistry Coordination Compounds. CBSE issues sample papers every year for students for class 12 board exams. Students should solve the CBSE issued sample papers to understand the pattern of the question paper which will come in class 12 board exams this year. The sample papers have been provided with marking scheme. It’s always recommended to practice as many CBSE sample papers as possible before the board examinations. Sample papers should be always practiced in examination condition at home or school and the student should show the answers to teachers for checking or compare with the answers provided. Students can download the sample papers in pdf format free and score better marks in examinations. Refer to other links too for latest sample papers.


1.What are ambident ligands? Explain giving example.

2.Write the IUPAC name of the ionization isomer of [Pt(NH3)3Br] Cl

3.Write the formula of CrCl3.5H2O that furnishes 2 moles of Chloride ions per mole of salt.


1.i) Write down the IUPAC name of the following complex : [Pt(NH3)(H2O)Cl2]

(ii) Write the formula for the following complex : tris(ethane-1,2-diamine)chromium(III) chloride (2015)

2.Write IUPAC names of the following:

a) [Co (NH3)5 Cl ] Cl2 b) [Cr(NH3)6]3+


1.a) What type of isomerism is shown by [Co (NH3)5ONO]Cl2 ? 

b) On the basis of crystal field theory, write the electronic configuration for d4 ion if Δo < P. 

c) Write the hybridization and shape of [Fe (CN)6]3-

(Atomic number of Fe = 26) (2015)

2.Give the formula of the compound

a) Nitrito – N-pentaamminecobalt(III)nitrate

b) Potassium hexacyanocobaltate(III)

c) Hexaammineplatinum(IV)chloride

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