Find the changes in the hybridisation of B and N atoms as a result of the following reaction.
`BF_3 +NH_3 to F_3 B - NH_3`

Explanation

In `BF_(3)` the bybridisation of boron in `sp^(2)` and in `NH_(3)` the hybridisation of nitrogen is `sp^(3)`. After the reaction, the hybridisation of boron changes to `sp^(3)` but the hybridisationof N remains unchanged.