Assertion: In a coordination entity [PtCl2(en)2]2+ only the cis-isomer shows optical activity. Reason: Optical isomerism is common in octahedral complexes involving didentate ligands.

Question

Assertion: In a coordination entity [PtCl2(en)2]2+ only the cis-isomer shows optical activity. Reason: Optical isomerism is common in octahedral complexes involving didentate ligands. (A) If both assertion and reason are true and reason is the correct explanation of assertion. (B) If both assertion and reason are true but reason is not the correct explanation of assertion (C) If assertion is true but reason is false. (D) If both assertion and reason are false

Tardigrade Admin · Accepted Answer

Only cis-form will have non-superimposable mirror image. <img class="img-fluid question-image" alt="image" src="https://cdn.tardigrade.in/img/question/chemistry/bfd0a109ed3f12350c37d8901b1c9ea7-.png" />

Q. Assertion : In a coordination entity [PtCl2​(en)2​]2+ only the cis-isomer shows optical activity. Reason : Optical isomerism is common in octahedral complexes involving didentate ligands.

If both assertion and reason are true and reason is the correct explanation of assertion.

If both assertion and reason are true but reason is not the correct explanation of assertion

If assertion is true but reason is false.

If both assertion and reason are false

Only cis-form will have non-superimposable mirror image.

Q. Assertion : In a coordination entity $[PtC l_{2} (e n)_{2}]^{2 +}$ only the cis-isomer shows optical activity.
Reason : Optical isomerism is common in octahedral complexes involving didentate ligands.