Chemical Process

Pick out the wrong statement.

  • A. DDT is manufactured by the condensation of chlorobenzene with chloral at 30°C in presence of oleum, which is a highly exothermic reaction
  • B. Chloral is obtained by the chlorination of ethyl alcohol
  • C. Insecticides acting on the insects through the respiratory system are called fumigants
  • D. Benzene hexachloride is not a contact insecticide
Answer: Option D.
Explanation: 

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