Q.

DDT is prepared from

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a

C6H5Cl and chlorine 

b

 Chloral and benzene

c

 benzene and C6H5Cl

d

 Chloral and C6H5Cl

answer is C.

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Detailed Solution

The structure of DDT is:

Question Image

Chlorobenzene and chloral are heated at a 2:1 ratio with strong sulfuric acid to create DDT.

The reaction goes as follows:

Question Image

Here, we can see that, upon heating in the presence of strong sulfuric acid, 2 moles of chlorobenzene and 1 mole of chloral combine to produce dichlorodiphenyltrichloroethane, or DDT.

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