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The correct order of melting points of g...

The correct order of melting points of group-15 trifluorides is ...........

A

`PF_(3) lt AsF_(3) lt SbF_(3) lt BiF_(3)`

B

`BiF_(3) lt SbF_(3) lt PF_(3) lt AsF_(3)`

C

`PF_(3) gt SbF_(3) gt AsF_(3) gt BiF_(3)`

D

`BiF_(3) lt AsF_(3) lt SbF_(3) lt PF_(3)`

Text Solution

Verified by Experts

The correct Answer is:
A
`BiF_3` is an ionic halide. Down the group, the melting point increases.
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