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Question
Assertion (A): Trans [CrCl2(ox)2]3− shows optical isomerism.
Reason (R): Optical isomerism is common in octahedral complexes involving didentate ligands.
Options
Both Assertion (A) and Reason (R) are true and Reason (R) is the correct explanation of the Assertion (A).
Both Assertion (A) and Reason (R) are true, but Reason (R) is not the correct explanation of the Assertion (A).
Assertion (A) is true, but Reason (R) is false.
Assertion (A) is false, but Reason (R) is true.
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Solution
Assertion (A) is false, but Reason (R) is true.
Explanation:
Optical isomers are mirror images that cannot be superimposed on each other, hence, cis[CrCl2(OX)2]3− is chiral, and trans[CrCl2(OX)2]3− is symmetrical and not optically active.
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