1.

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

Answer»

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

SOLUTION :`BiF_3` is an ionic HALIDE. Down the group, the melting point INCREASES.


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