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Question
What kind of isomerism exists between \[\ce{[Cr(H2O)6]Cl3}\] (violet) and \[\ce{[Cr(H2O)5Cl]Cl2 . H2O}\] (greyish-green)?
Options
Linkage isomerism
Solvate isomerism
Ionisation isomerism
Coordination isomerism
Solution
Solvate isomerism
Explanation:
This form of isomerism is known as 'hydrate isomerism' in case where water is involved as a solvent. This is similar to ionisation isomerism. Solvate isomers differ by whether or not a solvent molecule is directly bonded to the metal ion or merely present as free solvent molecules in the crystal lattice.
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| B. \[\ce{cis-[Co(en)2 Cl2]^+}\] | 2. ionisation |
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| 5. linkage |
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