Co-Ordination Compounds Question 27
Question: The coordination number of a central metal atom in a complex is determined by
[AIEEE 2004]
Options:
A) The number of ligands around a metal ion bonded by sigma and pi-bonds both.
B) The number around a metal ion bonded by pi-bonds
C) The number of ligands around a metal ion bonded by sigma bonds
D) The number of only anionic ligands bonded to the metal ion
Show Answer
Answer:
Correct Answer: C
Solution:
The number of atoms of the ligand that are directly bounded to the central metal atom or ion by coordinate bond is known as the coordination number of the metal atom or ion coordination number of metal = number of $ \sigma $ bonds formed by metal with ligand .
