Question

4. The hybridisation of the central atom will change
when:
(1) NH3 combines with H
(2) BF3 combines with F
(3) NHz form NH
(4) H2O combines with H*​

Answer 1

Answer:

1

Explanation:

because in the first there is donation of lone pair..

so steric no. decrease..

and in 4th

the LP IS donated to hydrogen

but sigma bond is formed so

.

steric no. remains the same

Answer 2

Answer:

option 1..is the correct option