1.

Assertion. Oxidation state of Fein Fe(CO)_(5) is zero. Reason. EAN of Fe in this complex is 36.

Answer»

If both ASSERTION and reason are true, but reason is not the true EXPLANATION of the assertion
If both assertion and reason are true, but reason is not the true explanation of the assertion
If assertionis true, but reason is false
If both assertion and reason are false

Solution :A is true because CO is neutral ligand.
R is true because EAN of Fe
At. No. of Fe + Electrons gained by coordination = `26+2xx5=36`
But R is not the CORRECT explanation.
Correct explanation. Oxidation STATE of Fe in `Fe(CO)_(5)` is zero because CO is a neutral ligand.


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