Why bismuth does not from pentahalides?
Why bismuth does not from pentahalides?
A. `NF_(5)`
B. `PF_(5)`
C. `AsF_(5)`
D. `BiF_(5)`
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Correct Answer - A
Owing to the non-availability of d-orbital in its valence shell, N cannot expand its octet and, therefore, it cannot form `NF_5`.
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