Question:
The isomerism shown by the following compound:
\[
[\text{Co}(CN)_6][\text{Cr}(NH_3)_6]
\quad
[\text{Co}(CN)_6][\text{Cr}(NH_3)_6]
\]
The isomerism shown by the following compound:
\[
[\text{Co}(CN)_6][\text{Cr}(NH_3)_6]
\quad
[\text{Co}(CN)_6][\text{Cr}(NH_3)_6]
\]
Show Hint
Ionisation isomerism occurs when the ions present in a complex can be interchanged, leading to different compounds that dissociate into different ions in solution.
Updated On: Apr 18, 2026
- Ionisation isomerism
- Coordinate isomerism
- Linkage isomerism
- Hydrate isomerism
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The Correct Option is A
Solution and Explanation
Ionisation isomerism occurs when different ions are present in the same compound but in different ionic forms, leading to different compounds that dissociate in different ways in solution. In this case, the compound has a pair of ions that can be exchanged between the cobalt and chromium complexes, giving rise to two distinct ionisation forms in solution.
Step 1: Understand Ionisation Isomerism.
Ionisation isomerism arises when the ions that exist in the compound dissociate into different ions in solution, resulting in different compounds with the same composition but different ionic forms.
Step 2: Conclusion.
Therefore, the correct type of isomerism shown by the given compound is ionisation isomerism, corresponding to option (A).
Final Answer: (A) Ionisation isomerism
Ionisation isomerism arises when the ions that exist in the compound dissociate into different ions in solution, resulting in different compounds with the same composition but different ionic forms.
Step 2: Conclusion.
Therefore, the correct type of isomerism shown by the given compound is ionisation isomerism, corresponding to option (A).
Final Answer: (A) Ionisation isomerism
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