Grade 12Organic Chemistry
Show the preparation of DDT and give three uses of it
Show the preparation of DDT and give three uses of it
1 Answer
Arun
Dear Smriti
It is prepared by heating a mixture of choral and chlorobenzene in the molar ratio (1:2) in the presence of concentration H2SO4.
Properties and uses of DDT.
It is an odourless white crystalline solid with melting point 1090C. It is almost insoluble in water but readily dissolves in benzene, kerosene oil, alcohol, etc. DDT is a powerful contact insecticide and is widely used for killing mosquito and other insects.
DDT is not biodegradable. Its residue accumulates in the environment and its long-term effect could be highly dangerous. It has been provided to be toxic to living beings. In human beings, it disturbs the sex hormones. DDT is still being widely used in poor countries due to non-availability of other cheaper insecticides.
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