Question:
The complex which does not show optical isomerism is
The complex which does not show optical isomerism is
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Complexes with symmetrical ligands, such as chloride ions, do not exhibit optical isomerism, even in cis configurations.
Updated On: Apr 15, 2025
- cis-[Co(en)\(_2\)Cl\(_2\)]Cl
- cis-[CrCl\(_2\)(ox)\(_2\)]\(^{3-}\)
- cis-[CoCl\(_2\)(en)\(_2\)]\(^{2+}\)
- cis-[Co(NH\(_3\))\(_4\)Cl\(_2\)]\(^{+}\)
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The Correct Option is D
Solution and Explanation
Optical isomerism is exhibited by complexes that are non-superimposable on their mirror images. For the given complexes: - The complex cis-[Co(en)\(_2\)Cl\(_2\)]Cl can show optical isomerism due to the bidentate nature of ethylenediamine (en), leading to non-superimposable mirror images.
- The complex cis-[CrCl\(_2\)(ox)\(_2\)]\(^{3-}\) shows optical isomerism because of the chelation with oxalate ions.
- cis-[CoCl\(_2\)(en)\(_2\)]\(^{2+}\) also exhibits optical isomerism. However, cis-[Co(NH\(_3\))\(_4\)Cl\(_2\)]\(^{+}\) does not show optical isomerism because of its symmetric nature with respect to the two chloride ions, which allows it to be superimposable on its mirror image.
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