Home Chemistry Co-ordinatios Compounds General Which of the following statements is correct…
Chemistry Co-ordinatios Compounds General Single Correct MCQ
Published on: August 13, 2026

Which of the following statements is correct for complex [Cr(NH 3 )(CN) 4 (NO)] 2– (given that n = 1)?

A
It is d 2 sp 3 hybridised .
B
The chromium is in +1 oxidation state
C
It is heteroleptic complex and its aqueous solution is coloured
D
All of these.

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Text Solution

Verified by Experts
The correct answer is:
D

Central metal ion has one unpaired electron and thus d-d transition of electron is possible. This attributes to the colour of the solution. As different types of ligands are attached to central metal ion, the complex is called heteroleptic complex.

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