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BITSAT 2019
Exam
BITSAT
Year
2019
Subject
Chemistry
Chapter
Haloalkanes and Haloarenes

BITSAT 2019 · Chemistry · Haloalkanes and Haloarenes

In the reaction (X) and (Y) are respectively.

In the reaction (X)\left(X\right) and (Y)\left(Y\right) are respectively.

In the reaction (X) and (Y) are respectively.

Options

  1. AThe helical structure of protein is stabilised by
  2. BThe helical structure of protein is stabilised by
  3. CThe helical structure of protein is stabilised by
  4. DThe helical structure of protein is stabilised by

Correct answer

B. The helical structure of protein is stabilised by

Step-by-step solution

The given reaction is for preparation of DDTDDT (dichlorodiphenyl trichloroethane). Complete reaction is given as follows.

(i)

In the reaction (X) and (Y) are respectively.

(ii)& In the reaction (X) and (Y) are respectively.

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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