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Assertion The number of unpaired electro...

Assertion The number of unpaired electrons in `[Ni(CO)_(4)]` is zero
Reason In this compounds 4s-electrons of Ni atom enter the inner d-orbitals to facilitate the `sp^(3)` hybridisation in Ni atom .

A

If both `(A)` and ` (R )` are correct and `(R )` is the correct explanation of `(A ) ` .

B

If both `(A)` and ` (R )` are correct and `(R )` is the correct explanation of `(A ) ` .

C

If`(A)` is correct, but `( R )` is incorrect .

D

Both `(A)` and `(R ) ` are incorrect .

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The correct Answer is:
A
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