Question:

The first chlorinated organic insecticide prepared is :

Updated On: Apr 7, 2025
  • Gammexane
  • Chloroform
  • COCl2
  • DDT
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The Correct Option is D

Approach Solution - 1

  • DDT (Dichlorodiphenyltrichloroethane) was the first chlorinated organic insecticide to be widely used. It was synthesized in 1874 by Othmar Zeidler and later popularized for its effectiveness as an insecticide in the 1940s.
  • DDT became widely used to control mosquito populations and other pests, especially in agriculture and for controlling diseases like malaria and typhus.

Thus, the first chlorinated organic insecticide is DDT, making (D) the correct answer.

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Approach Solution -2

DDT (dichlorodiphenyltrichloroethane) is one of the first chlorinated organic insecticides prepared. It was synthesized by Paul Hermann Müller in 1939 and became widely used for controlling insect-borne diseases like malaria.

  • Gammaxene is an insecticide, but it came after DDT.
  • Chloroform is a solvent and was not used as an insecticide.
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