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Question

A research guide instructed his two students to synthesize complex [Co(NH3)5(NO2)]Cl2

They synthesized the complexes with identical molecular formula, molar mass, geometry, conductance and spin, but they differed in colour. Bases on the above facts the following question.

(i) The difference in colour is due to:


A

optical isomerism

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B

geometrical isomerism

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C

linkage isomerism

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D

nuclear isomerism

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Solution

The correct option is C

linkage isomerism


Depending on how the ligand is bonded to the central metal atom colour of the compound changes. In other words, the two different colours are due to linkage isomerism.


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