Co Ordination Compounds Question 172
Question: The number of neutral molecules or negative groups attached to the central metal atom in a complex ion is called
Options:
A) Atomic number
B) Effective atomic number
C) Coordination number
D) Primary valency refers to the charge of a cation or anion in a compound.
Show Answer
Answer:
Correct Answer: C
Solution:
When a ligand attaches to the central metal atom through two or more atoms to form a ring-like structure, it is known as a chelate and the ligand is called a chelating ligand.