Assertion : Co-ordination number of complex in `[HgI_3]^(-) , [Fe(CO)_5] and [TaF_8]^(3-)` are three, five and eight respectively.
Reason : Co-ordination number always represents the number of ligands attached on central metal atom.

Options

A. If both (A) and (R) are correct and (R) is the correct explanation of (A).
B. If both (A) and (R) are correct, but (R) is not the correct explanation of (A).
C. If (A) is correct, but(R) is incorrect.
D. If both (A) and (R) are.incorrect.

Answer

C

Explanation

In bidentate it represents number of co-ordinate bonds.