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Maximum covalency shows by phosphorous i...

Maximum covalency shows by phosphorous is

A

`7`

B

`6`

C

`8`

D

`5`

Text Solution

Verified by Experts

The correct Answer is:
B
On account of the presence of vacant 3d orbitals, P can expand its octet. However, the number of electrons in an expanded octet is limited by electron repulsion as well as by the size of the central atom of the molecule. Phosphorous cannot have more than six bonds around it, e.g., `PF_6^(-)`.
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