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Which one of the following is expected to exhibit optical isomerism?
(en = ethylenediamine)
  • a)
     cis-[Pt(NH3)2Cl2]
  • b)
    trans-[Pt(NH3)2Cl2]
  • c)
    cis-[Co(en)2Cl2]
  • d)
    trans-[Co(en)2Cl2]
Correct answer is option 'C'. Can you explain this answer?
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Which one of the following is expected to exhibit optical isomerism?(e...
Optical isomerism is a type of stereoisomerism in which the molecules have the same molecular formula and connectivity but differ in the three-dimensional arrangement of atoms. They are non-superimposable mirror images of each other and rotate the plane of polarized light in opposite directions.

Explanation:

- cis-[Pt(NH3)2Cl2]: This molecule does not exhibit optical isomerism as it has a plane of symmetry and is therefore achiral.
- trans-[Pt(NH3)2Cl2]: This molecule also does not exhibit optical isomerism as it also has a plane of symmetry and is therefore achiral.
- cis-[Co(en)2Cl2]: This molecule exhibits optical isomerism as it does not have a plane of symmetry and is therefore chiral. The two en ligands can either be arranged on the same side (cis) or on opposite sides (trans) of the molecule, leading to two different mirror images that cannot be superimposed.
- trans-[Co(en)2Cl2]: This molecule also exhibits optical isomerism as it does not have a plane of symmetry and is therefore chiral.

Therefore, the correct answer is option C, cis-[Co(en)2Cl2], as it exhibits optical isomerism.
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Which one of the following is expected to exhibit optical isomerism?(e...
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Which one of the following is expected to exhibit optical isomerism?(en = ethylenediamine)a)cis-[Pt(NH3)2Cl2]b)trans-[Pt(NH3)2Cl2]c)cis-[Co(en)2Cl2]d)trans-[Co(en)2Cl2]Correct answer is option 'C'. Can you explain this answer?
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