Chemistry-Coordination Number

NEET Chemistry Coordination Number MCQ Question

Type: MCQ-conceptual-Medium-Class 12

Which of the following statements about coordination compounds is correct?

A

Both Ni and Pt have the same coordination number of 4.

B

The coordination number of [Fe(C2O4)3]3– and [Co(en)3]3+ is 6 due to the presence of didentate ligands.

C

Coordination compounds play no significant role in biological systems.

D

Metal carbonyls form only sigma bonds between the metal and ligands.

Correct Answer

Option B

Detailed Explanation

Statement B is correct as both [Fe(C2O4)3]3– and [Co(en)3]3+ have a coordination number of 6 due to the didentate nature of the ligands. Other statements are incorrect based on the definitions and examples provided in the NCERT context.

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