Question Pool Coordination Compounds

Coordination Compounds - SAMAGRA Question Pool & Answers | Class 12

Kerala Syllabus SAMAGRA SCERT SAMAGRA Question Pool for Class 12 Chemistry Coordination Compounds

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Qn 1.

The crystal field splitting energy (Δo) for [CoCl6]4- is 18000cm-1. Calculate

the (Δt) for [CoCl4]2- ?



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Qn 2.

Draw the structure of [Co(NH3)3(NO2)3] and Identify the type of geometrical isomerism that can be exhibited by this complex

 



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Qn 3.

Coordination compounds exhibit cis-trans isomerism.

(a) Draw the structure of cis and trans isomer of [Fe(NH3)2(CN)4] - 

(b) In the above example which isomer is optically active? Explain?



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Qn 4.

Write the molecular formulae of following complexes ?

(a) Potassiumhexacyanoferrate(III)

(b) Dichloridobis(ethylenediamine)cobalt(III)chloride

 



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Qn 5.

 Which of following transition metal ion is expected to give coloured solution.

(a) Zn2+     (b) Cu+       (c) Ti3+       (d) Ti4+



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Qn 6.

The platinum complex used to inhibit the growth of tumor is:



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Qn 7.

Write the electronic configuration of d6 state in high spin octahedral complex according to crystal field theory?



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Qn 8.

Which of the following complex exist in fac- and mer- isomeric forms

a)  [ Cr(H2O)4Cl2]+

b) [ Co(en)2Br2] Cl

c)  [ Pt (NH3)3Cl3] Cl

d)  [ Ni(CN)4 ]2- 



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Qn 9.
What is spectrochemical series?


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Qn 10.

Which of the following complex exhibit geometrical isomerism?

a) [Ni ClBr2]2-

b)  [Co(NH3)5Cl ]-

c) [ Co(en)2Cl]+

d) [ Fe(H2O)5Cl ]SO4



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Qn 11.

Write all possible structural isomers of the following complex and give IUPAC names 

[ Pt(NH3)4Cl] Br2



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Qn 12.

write IUPAC names of the following complexes 

a) [Pt(NH3)2Cl(NO2) ]

b) K3[Cr(C2O4)3]

c) [CoCl2(en)2]Cl



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Qn 13.

Define homoleptic and heteroleptic complexes. Give example for each.



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Qn 14.

What is an ambident ligand ? Give examples.



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Qn 15.

Write the postulates of Werners theory of complexes



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Qn 16.

What is chelate ligand ?



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Qn 17.

The spin only magnetic moment of [MnCl4] 2– is 5.9 BM. Predict the

geometry of the complex ion ?



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Qn 18.

 How many ions are produced from the complex [Co(NH 3)6 ]Cl2 in solution?

 

A)  6                          B) 4              C) 3                            D) 2



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Qn 19.

(a)Represent diagrammatically the crystal field splitting in octahedral complexes.

(b)Write octahedral splitting electronic configuration of d5 state, in presence of weak field ligands?

(c) Find the magnetic moment of above electronic configuration



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Qn 20.

What is Wilkinson catalyst? Give its use ?



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