NEET Chemistry Coordination Number Assertion Reason Question
Assertion (A): The coordination number of a metal in a coordination compound is determined only by the number of sigma bonds formed by the ligand with the metal. | Reason (R): Pi bonds formed between the ligand and the central atom/ion are not counted in determining the coordination number.
Both A and R are true, and R is the correct explanation of A.
Both A and R are true, but R is not the correct explanation of A.
A is true, but R is false.
A is false.
Correct Answer
Detailed Explanation
The coordination number is determined by the number of sigma bonds, not pi bonds, as stated in the NCERT context.
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