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COORDINATION COMPOUNDS

28709 Which of the following coordiantion compounds would exhibit optical isomerism

1 trans-dicyanobis (ethylenediamine) chromium

(I I I)

chloride

2 tris-(ethylenediamine) cobalt

(I I I)

bromide

3 pentaamminenitrocobalt

(I I I)

iodide

4 diamminedichloroplatinum

(I I)

Explanation:

(b) $[C o (e n)_{3}]^{3 +}$ 341-s40

COORDINATION COMPOUNDS

28710 Which of the following does not have optical isomer

1

[C o (N H_{3})_{3} C l_{3}]

2

[C o (e n)_{3}] C l_{3}

3

[C o (e n)_{2} C l_{2}] C l

4

[C o (e n) (N H_{3})_{2} C l_{2}] C l

Explanation:

(a) $[C o (N H_{3})_{3} C l_{3}]$ does not have optical isomers because it is of formula $M A_{3} B_{3}$ which does not show optical isomerism.

COORDINATION COMPOUNDS

28711 Change in composition of co-ordination sphere yields which types of isomers

1 Optical

2 Geometrical

3 Ionisation

4 None of these

Explanation:

(c)Change in composition of co-ordination sphere yield ionization isomers.
$[C r (H_{2} O)_{6}] C l_{3}$ and $[C r C l_{3} (H_{2} O)_{3}] .3 H_{2} O$

COORDINATION COMPOUNDS

28712 Types of isomerism shown by $[C r (N H_{3})_{5} N O_{2}] C l_{2}$ is

1 Optical

2 Ionisation

3 Geometrical

4 Linkage

Explanation:

$N O_{2}$ is ambident and can be linked either to $N -$ side as $(- N O_{2})$ or to $O -$ side as $(- O N O)$ .

COORDINATION COMPOUNDS

28709 Which of the following coordiantion compounds would exhibit optical isomerism

1 trans-dicyanobis (ethylenediamine) chromium

(I I I)

chloride

2 tris-(ethylenediamine) cobalt

(I I I)

bromide

3 pentaamminenitrocobalt

(I I I)

iodide

4 diamminedichloroplatinum

(I I)

Explanation:

(b) $[C o (e n)_{3}]^{3 +}$ 341-s40

COORDINATION COMPOUNDS

28710 Which of the following does not have optical isomer

1

[C o (N H_{3})_{3} C l_{3}]

2

[C o (e n)_{3}] C l_{3}

3

[C o (e n)_{2} C l_{2}] C l

4

[C o (e n) (N H_{3})_{2} C l_{2}] C l

Explanation:

(a) $[C o (N H_{3})_{3} C l_{3}]$ does not have optical isomers because it is of formula $M A_{3} B_{3}$ which does not show optical isomerism.

COORDINATION COMPOUNDS

28711 Change in composition of co-ordination sphere yields which types of isomers

1 Optical

2 Geometrical

3 Ionisation

4 None of these

Explanation:

(c)Change in composition of co-ordination sphere yield ionization isomers.
$[C r (H_{2} O)_{6}] C l_{3}$ and $[C r C l_{3} (H_{2} O)_{3}] .3 H_{2} O$

COORDINATION COMPOUNDS

28712 Types of isomerism shown by $[C r (N H_{3})_{5} N O_{2}] C l_{2}$ is

1 Optical

2 Ionisation

3 Geometrical

4 Linkage

Explanation:

$N O_{2}$ is ambident and can be linked either to $N -$ side as $(- N O_{2})$ or to $O -$ side as $(- O N O)$ .

COORDINATION COMPOUNDS

28709 Which of the following coordiantion compounds would exhibit optical isomerism

1 trans-dicyanobis (ethylenediamine) chromium

(I I I)

chloride

2 tris-(ethylenediamine) cobalt

(I I I)

bromide

3 pentaamminenitrocobalt

(I I I)

iodide

4 diamminedichloroplatinum

(I I)

Explanation:

(b) $[C o (e n)_{3}]^{3 +}$ 341-s40

COORDINATION COMPOUNDS

28710 Which of the following does not have optical isomer

1

[C o (N H_{3})_{3} C l_{3}]

2

[C o (e n)_{3}] C l_{3}

3

[C o (e n)_{2} C l_{2}] C l

4

[C o (e n) (N H_{3})_{2} C l_{2}] C l

Explanation:

(a) $[C o (N H_{3})_{3} C l_{3}]$ does not have optical isomers because it is of formula $M A_{3} B_{3}$ which does not show optical isomerism.

COORDINATION COMPOUNDS

28711 Change in composition of co-ordination sphere yields which types of isomers

1 Optical

2 Geometrical

3 Ionisation

4 None of these

Explanation:

(c)Change in composition of co-ordination sphere yield ionization isomers.
$[C r (H_{2} O)_{6}] C l_{3}$ and $[C r C l_{3} (H_{2} O)_{3}] .3 H_{2} O$

COORDINATION COMPOUNDS

28712 Types of isomerism shown by $[C r (N H_{3})_{5} N O_{2}] C l_{2}$ is

1 Optical

2 Ionisation

3 Geometrical

4 Linkage

Explanation:

$N O_{2}$ is ambident and can be linked either to $N -$ side as $(- N O_{2})$ or to $O -$ side as $(- O N O)$ .

COORDINATION COMPOUNDS

28709 Which of the following coordiantion compounds would exhibit optical isomerism

1 trans-dicyanobis (ethylenediamine) chromium

(I I I)

chloride

2 tris-(ethylenediamine) cobalt

(I I I)

bromide

3 pentaamminenitrocobalt

(I I I)

iodide

4 diamminedichloroplatinum

(I I)

Explanation:

(b) $[C o (e n)_{3}]^{3 +}$ 341-s40

COORDINATION COMPOUNDS

28710 Which of the following does not have optical isomer

1

[C o (N H_{3})_{3} C l_{3}]

2

[C o (e n)_{3}] C l_{3}

3

[C o (e n)_{2} C l_{2}] C l

4

[C o (e n) (N H_{3})_{2} C l_{2}] C l

Explanation:

(a) $[C o (N H_{3})_{3} C l_{3}]$ does not have optical isomers because it is of formula $M A_{3} B_{3}$ which does not show optical isomerism.

COORDINATION COMPOUNDS

28711 Change in composition of co-ordination sphere yields which types of isomers

1 Optical

2 Geometrical

3 Ionisation

4 None of these

Explanation:

(c)Change in composition of co-ordination sphere yield ionization isomers.
$[C r (H_{2} O)_{6}] C l_{3}$ and $[C r C l_{3} (H_{2} O)_{3}] .3 H_{2} O$

COORDINATION COMPOUNDS

28712 Types of isomerism shown by $[C r (N H_{3})_{5} N O_{2}] C l_{2}$ is

1 Optical

2 Ionisation

3 Geometrical

4 Linkage

Explanation:

$N O_{2}$ is ambident and can be linked either to $N -$ side as $(- N O_{2})$ or to $O -$ side as $(- O N O)$ .

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