What is a ligand

Question

What is a ligand

Options:

A . An atom, molecule or ion that forms a dative covalent bond to a central metal ion in a complex.

B . An atom, molecule or ion that accepts a pair of electron from a central metal ion in a complex.

C . A central metal ion with one or more covalent bonds to it

D . A d-block element that has a partially filled d subshell

Answer: Option A

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