Question

explain hybridization in BF3

Answer 1

The ground state electronic configuration of boron is 1s^2 2s^2 2p^1

2s 2p
B ground state & I& i!& I I i I & I I

B exited state I& i!& I I i& I i I I
sp^2 hybridization

Because, of sp2 hybridization, BF3 has triangular planar shape.