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BIHAR CET Optical Isomerism — practice questions

Explore 1 free Optical Isomerism questions in BIHAR CET Chemistry. Open each question or exercise to read its content, reference answers and available explanation.

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Optical Isomerism questions and exercises with answers

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Which complex would exhibit **optical isomerism**?Read the answer and worked solution →

Worked practice questions

Which complex would exhibit **optical isomerism**?

  1. $[Pt(NH_3)_2Cl_2]$ (square planar)
  2. $[Co(NH_3)_6]^{3+}$
  3. **cis**-$[Co(en)_2Cl_2]^+$ (chiral)
  4. **trans**-$[Co(en)_2Cl_2]^+$
Show answer and solution

Correct answer: C. **cis**-$[Co(en)_2Cl_2]^+$ (chiral)

Only cis-$[Co(en)_2Cl_2]^+$ lacks a mirror plane (it's chiral). The trans isomer has a $C_2$ axis and a mirror plane → achiral. Homoleptic $[Co(NH_3)_6]^{3+}$ is highly symmetric → achiral. Square planar geometries typically are achiral.

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