Question

NH₃ and BF₃ combine readily because of the formation of ______.

विकल्प

• a covalent bond 

• a hydrogen bond

• a co-ordinate bond

• an ionic bond

Answer 1

NH₃ and BF₃ combine readily because of the formation of a co-ordinate bond.

Explanation:

BF₃ is an electron deficient (6e^–) compound so it accepts 2e^– to attain a stable configuration.

\[\ce{H3N : → BF3}\] (co-ordinate bond)