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PUCET (Punjab) Geometric Isomerism — practice questions

Explore 1 free Geometric Isomerism questions in PUCET (Punjab) Chemistry. Open each question or exercise to read its content, reference answers and available explanation.

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Geometric Isomerism questions and exercises with answers

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Cisplatin, $[Pt(NH_3)_2Cl_2]$, is a **square planar** complex used as an anticancer drug. The trans-isomer:Read the answer and worked solution →

Worked practice questions

Cisplatin, $[Pt(NH_3)_2Cl_2]$, is a **square planar** complex used as an anticancer drug. The trans-isomer:

  1. Has the same anticancer activity
  2. Is physiologically inactive
  3. Is more potent
  4. Cannot exist for square planar geometry
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Correct answer: B. Is physiologically inactive

Only the **cis** isomer is biologically active (binds adjacent N₇ of two guanine bases in DNA). trans-Pt(NH₃)₂Cl₂ is inactive. Geometry isomerism matters enormously for drug action.

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