Ddt
Easychemistry
DDT (dichlorodiphenyltrichloroethane) is:
Select the correct option:
Solution
Incorrect! Answer:
Insecticide
DDT (2,2-bis(p-chlorophenyl)-1,1,1-trichloroethane) was the first modern synthetic insecticide.
- Synthesis: Condensed from Chloral (CCl3CHO) and two molecules of Chlorobenzene in the presence of concentrated sulfuric acid.
- Properties: Highly effective against mosquitoes (malaria) and lice (typhus).
- Environmental Impact: It is extremely chemically stable and fat-soluble. It undergoes biomagnification in the food chain, leading to thin eggshells in birds and toxicity in fish. It is now banned in many countries.
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About This Question
- Subject
- chemistry
- Chapter
- organic compounds containing halogens
- Topic
- ddt
- Difficulty
- Easy
- Year
- 2025
Solution
Correct Answer:
Insecticide
DDT (2,2-bis(p-chlorophenyl)-1,1,1-trichloroethane) was the first modern synthetic insecticide.
- Synthesis: Condensed from Chloral (CCl3CHO) and two molecules of Chlorobenzene in the presence of concentrated sulfuric acid.
- Properties: Highly effective against mosquitoes (malaria) and lice (typhus).
- Environmental Impact: It is extremely chemically stable and fat-soluble. It undergoes biomagnification in the food chain, leading to thin eggshells in birds and toxicity in fish. It is now banned in many countries.
This easy difficulty chemistry question is from the chapter organic compounds containing halogens, covering the topic of ddt. It appeared in the 2025 exam.
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