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Structural Isomerism

[CoNH35NO2]Cl...

Question

$[C o (N H_{3})_{5} N O_{2}] C l_{2}$ and $[C o (N H_{3})_{5} O N O] C l_{2}$ are related to each other as :

A

geometrical isomers

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B

linkage isomers

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C

coordination isomers

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D

ionization isomers

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Solution

The correct option is B linkage isomers
This type of isomerism occurs in complex compounds which ambidanate ligands like $N O_{2}^{-}, S C N^{-}, C N^{-}, S_{2} O_{3}^{2 -}$ . These ligands have two donor atoms but at a time only one atom is directly linked to the central metal atom of the complex.

$[C o (N H_{3})_{5} N O_{2}] C l_{2}$ and $[C o (N H_{3})_{5} O N O] C l_{2}$

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Similar questions

Match the correct pairs of isomers with their examples.

A)Ionisation (a) $P t (N H_{3})_{2} C l_{2}] [P t (N H_{3})_{4}]$

$[P t C l_{4}]$

B) Linkage (b) $[C r (N H_{3})_{6}] [C o (C N)_{6}]$ & $[C o (N H_{3})_{6} [C r (C N)_{6}]$

C)Coordination (c) $[C o (N H_{3})_{5} (N O_{2})] C l_{2}$ & $[C o (N H_{3})_{5} (O N O)] C l_{2}$

D)Polymerisation (d) $[C o (S O_{4}) (N H_{3})_{5}] B r$ & $[C o (B r (N H_{3})_{5}] S O_{4}$

Q. The complex ions

[C o (N H_{3})_{5} (N O_{2})]^{2 +}

[C o (N H_{3})_{5} (O N O)]^{2 +}

Q. Draw the structural isomer of

[C o (N H_{3})_{5} N O_{2}] C l_{2}

and name the type of isomerism?

Q. The number of geometric isomers possible for the complex

{[C o L_{2} {C l}_{2}]}^{-} (L = H_{2} N C H_{2} {C H}_{2} O^{-})

Q. Which one of the following pairs of isomers and types of isomerism are correctly matched?
(i)

[C o (N H_{3})_{5} (N O_{2})] C l_{2}

[C o (N H_{3})_{5} (O N O) C l_{2} . . . (L i n k a g e)

[C u (N H_{3})_{4}] [P t C l_{4}]

[P t (N H_{3})_{4}] [C u C l_{4}] . . . (C o o r d i n a t i o n)

[P t C l_{2} (N H_{3})_{4}] B r_{2}

[P t B r_{2} (N H_{3})_{4}] C l_{2} . . . (I o n i z a t i o n)

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