Chemistry-Coordination Number
NEET Chemistry Coordination Number MCQ Question
Type: MCQ-diagram based-Easy-Class 12
In the diagram shown above, which complex has a coordination number of 4?
A
[Ni(CO)4]
B
[Fe(CN)6]4-
C
[Co(NH3)6]3+
D
[Cr(NH3)3(H2O)3]Cl3
Correct Answer
Option A
Detailed Explanation
The coordination number is determined by the number of sigma bonds with the central metal. [Ni(CO)4] has four CO ligands, forming four sigma bonds, hence a coordination number of 4.
Found an issue with this question?