Chemistry-Coordination Number
NEET Chemistry Coordination Number MCQ Question
Type: MCQ-numerical-Hard-Class 12
Consider the coordination compound [Co(NH3)4Cl2]Cl. What is the coordination number of the central cobalt ion in this compound?
A
4
B
5
C
6
D
7
Correct Answer
Option C
Detailed Explanation
The coordination number is determined by the number of sigma bonds formed with the central atom. In [Co(NH3)4Cl2]Cl, cobalt forms sigma bonds with four NH3 molecules and two Cl- ions, totaling six sigma bonds.
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