The catalyst used in the manufacture of DDT (from chloral and chlorobenzene) is _________________?
Correct answer: B. Oleum
- A. Dilute H2SO4
- B. Oleum
- C. Ultraviolet light
- D. None of these
Explanation
DDT is formed by condensing chloral with chlorobenzene in the presence of concentrated sulphuric acid supplied as oleum. Dilute acid and ultraviolet light are not the usual catalyst system for this manufacture.
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