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Orthoboric Acid

Give preparat...

Question

Give preparation and uses of D.D.T.

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Solution

Dichloro-diphenyl-trichloroethane (DDT) is prepared by heating chloral and chlorobenzene in 1:2 ratio in the presence of conc. sulphuric acid.

DDT is used as an insecticide. It is also used as a mosquito repellant.

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