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The length of the N - Si bond in (SiH(3)...

The length of the `N - Si` bond in `(SiH_(3))_(3) N` is shorter than what is normally expected for an `N - Si` single bond. This is due to

A

`Sp^(2) - Sp^(2) sigma` overlap between N and Si atoms

B

Localized `p pi - d pi` bonding between the N atom and one of the three Si atoms

C

Delocalized four-centred two -electron `p pi - d pi` bonding spread over the N-atom and all the three Si atoms

D

Localized `p pi - d pi` bonding between the N atom and one of the one Si atoms

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The correct Answer is:
C
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