Question

Which of the following is/are correct for boron and nitrogen in $N{H}_3$.$B{F}_3$ adduct?

• A. Both has sp${}^3$ hybrid orbitals
• B. Both has tetrahedral structure
• C. $N$ is sp${}^3$ hybridized while $B$ is sp${}^2$ hybridized
• D. $N$ in $N{H}_3$ is pyramidal while $B$ in $B{F}_3$ is planar

Answer 1

Answer: (A), (B)

The correct options are
A Both has sp${}^3$ hybrid orbitals
B Both has tetrahedral structure

Here both molecules are $s{p}^3$ hybridized.
$N{H}_3$ with one lone pair and $B{F}_3$ with one vacant orbital.