Multiple choice

Which of the following will not show geometrical isomerism?

  1. [Pt (NH3)2Cl2]

  2. [CO (en)2 Cl2] Cl

  3. [Cr (NH3)4Cl2] Cl

  4. [CO (NH3)5 NO2] Cl2
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Geometrical isomerism requires different spatial arrangements of ligands. [CO(NH3)5NO2]Cl2 is an octahedral complex where all positions are occupied by NH3 or NO2, and it does not allow for cis/trans arrangements that result in distinct isomers.

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