Question

What type of isomerism is observed in [Cr(NH₃)₄C1₂]NO₂?

Answer 1

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Answer 2

[Cr(NH₃)₄C1₂]NO₂ shows geometrical isomerism.

• [Cr(NH₃)₄C1₂]NO₂ is a coordination compound.
• Cr is attached to 6 ligands, i.e., four ammonia molecules and two chlorine atoms.
• Hence, it can show geometrical isomerism with cis and trans configurations.
• In the trans form, all ammonia molecules can be in a single plane and the chlorine atoms can occupy the positions at above and below this plane.
• However, in the cis form, one ammonia molecule can be replaced by the chlorine atom and vice versa.