Explanation:
: DDT is a chemical compound its chemical formula is $\mathrm{C}_{14} \mathrm{H}_9 \mathrm{Cl}_5$. DDT is dichlorodiphenyltrichloroethane. It is a colorless, crystalline solid at STP. The molecular mass of DDT is $354-48 \mathrm{~g} \mathrm{~mol}^{-1}$, It is a chemical insecticide, dichlorodiphenyltrichloroethane is an organ chlorine compound that was first used as an insecticide.