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What kind of isomerism exists between [C...

What kind of isomerism exists between `[Cr(H_2O)_6]Cl_3, `(violet) and `[Cr(H_2O)_5Cl]Cl_2 . H_2O` (grayish-green)

A

Linkage isomerism

B

Solvate isomerism

C

Ionisation isomerism

D

Coordination isomerism

Text Solution

Verified by Experts

The correct Answer is:
B

Solvate isomerism is shown when two compounds having same molecular formula differ by whether solvent molecule is directly bonded to metal ion or is present as free solvent molecules in the crystal lattice When water is present as solvent and show this type of isomerism then it is known as hydrate isomerism Coordination compound `[Cr(H_2O)_6]Cl_3 ` and `[Cr(H_2O)_5Cl] H_2O . Cl_2` are solvate isomers, because water is exchanged by chloride ion. This is why both of them show different colour on exposure to sunlight.
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