#### Coordination Chemistry Book Back Questions

12th Standard EM

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Chemistry

Time : 00:45:00 Hrs
Total Marks : 30
5 x 1 = 5
1. The sum of primary valance and secondary valance of the metal M in the complex [M(en)2(Ox)]Cl isL

(a)

3

(b)

6

(c)

-3

(d)

9

2. IUPAC name of the complex K3[Al(C2O4)3] is

(a)

potassiumtrioxalatoaluminium(III)

(b)

tassiumtrioxalatoaluminate(II)

(c)

potassiumtrisoxalatoaluminate(III)

(d)

potassiumtrioxalatoaluminate(III)

3. Crystal field stabilization energy for high spin d5 octahedral complex is

(a)

-0.6$\triangle$

(b)

0

(c)

2(P-${ \Delta }_{ 0 }$)

(d)

2(P+${ \Delta }_{ 0 }$)

4. Which type of isomerism is exhibited by [Pt(NH3)2Cl2]?

(a)

Coordination isomerism

(b)

(c)

Optical isomerism

(d)

Geometrical isomerism

5. How many geometrical isomers are possible for<<EVA035.eps>>?

(a)

3

(b)

4

(c)

0

(d)

15

6. 3 x 2 = 6
7. Write the IUPAC names for the following complexes
i) Na2[Ni(EDTA)]
II) [Ag(CN)2)
iii) [Co9en)3]2(SO4)3
iv)[Co(ONO)(NH3)5]2+
v)[Pt(NH3)2Cl(NO2)]

8. Write the formula for the following coordination compounds.
a) potassiumhexacyanidoferrate(II)
b) petacarbonyliron(0)
c) pentaamminenitrito −k−N-cobalt(III)ion
d) hexaamminecobalt(III)sulphate
e) sodiumtetrafluoridodihydroxidochromate(III)

9. Give an example of coordination compound used in medicine and two examples of biologically important coordination compounds

10. 3 x 3 = 9
11. What is linkage isomerism? Explain with an example

12. Give the difference between double salts and coordination compounds.

13. Why tetrahedral complexes do not exhibit geometrical isomerism

14. 2 x 5 = 10
15. What is the coordination entity formed when excess of liquid ammonia is added to an aqueous solution copper sulphate?

16. Write the oxidation state, coordination number , nature of ligand, magnetic property and electronic configuration in octahedral crystal field for the complex K4[Mn(CN)6]