Answer
See explanation below.
Work Step by Step
a) KCl consists of ionic bondage.
b) P4 consists of Nonpolar covalent bonds.
c) BF3 consists of Polar covalent bonds.
d) SO2 consists of Polar covalent bonds.
e)Br2 consists of non polar covalent bonds.
f) NO2 consists of Polar covalent bonds.