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Question
Assertion: Complexes of MX6 and MX5L type (X and L are unidentate) do not show geometrical isomerism.
Reason: Geometrical isomerism is not shown by complexes of coordination number 6.
Options
Assertion and reason both are true, reason is correct explanation of assertion.
Assertion and reason both are true but reason is not the correct explanation of assertion.
Assertion is true, reason is false.
Assertion is false, reason is true.
Solution
Assertion and reason both are true but reason is not the correct explanation of assertion.
Explanation:
For complexes of MX6 and MX5L type, different geometric arrangements of the ligands is not possible.
MA4B2, M(AA)2B2 and MA3B3 type of complexes are the complexes with coordination number 6 which show geometrical isomerism.
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