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Isomerism in Coordination Compounds

[PtNH34][CuCl...

Question

$[P t (N H_{3})_{4}] [C u C l_{4}]$ and $[C u (N H_{3})_{4}] [P t C l_{4}]$ are known as:

A

ionisation isomers

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B

coordination isomers

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C

linkage isomers

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D

polymerisation isomers.

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Solution

The correct option is A coordination isomers
Different complex ions have the same molecular formula. Ligands are interchanged between the complex cation and complex anion. These type of complexes are called coordination isomers.
In $[P t (N H_{3})_{4}] [C u C l_{4}]$ , ammonia ligands are attached to $P t$ metal and chloride ligands are attached to $C u$ metal.
In $[C u (N H_{3})_{4}] [P t C l_{4}]$ , ammonia ligands are attached to $C u$ metal and chloride ligands are attached to $P t$ metal.

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Similar questions

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)

Select the correct answer using the codes given below:

Q. Name the types of isomerism shown by the following pairs of compounds:
(i)

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

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

{[C o {(P n)}_{2} {C l}_{2}]}^{+}

{[C o {(t n)}_{2} {C l}_{2}]}^{+}

Q. Total no. of possible isomers for complex compound

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

Q. How many more co-ordination isomers are possible of the compoun

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

?

Q. The total possible coordination isomers for the following compounds respectively are:

[C o (e n)_{3}] [C r (C_{2} O_{4})_{3}]

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

[N i (e n)_{3}] [C o (N O_{2})_{6}]

.

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