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BX(3)+NH(3) overset(B.T.) to BX(3) *NH(3...

`BX_(3)+NH_(3) overset(B.T.) to BX_(3) *NH_(3)`+Heat of adduct formation `(DeltaH)`
The numberical value of `DeltaH` is found to be maximum for:

A

`BF_(3)`

B

`BCl_(3)`

C

`BBr_(3)`

D

`BI_(3)`

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