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In the following question a statement of assertion followed by a statement of reason is given. Choose the correct answer out of the following choices.

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.

(i) Assertion and reason both are true, the reason is the correct explanation of assertion.

(ii) Assertion and reason both are true, but the reason is not the correct explanation of assertion.

(iii) An assertion is true, the reason is false.

(iv) The assertion is false, the reason is true.

Answers (1)

Option (iii) is correct answer.

Explanation: A different arrangement of ligands is not possible for complexes of MX6 and MX5L type. The complexes MA4B2, M(AA)2B2 and MA3B3 with coordination number 6 show geometrical isomerism.

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