4913Chemical EngineeringMedium
Pick out the wrong statement?
AChloral is obtained by the chlorination of ethyl alcohol
BDDT is manufactured by the condensation of chlorobenzene with chloral at 30°C in presence
CInsecticides acting on the insects through the respiratory system are called fumigants
DBenzene hexachloride is not a contact insecticide
Correct answer
D. Benzene hexachloride is not a contact insecticide
Explanation
The correct answer is Benzene hexachloride is not a contact insecticide.