With neutral FeCl3,C gives violet colour. B on decarboxylation and C on reduction with zinc dust, gives same compound. The correct statement is:
A
C gives dye test positive in weakly alkaline medium
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B
C gives dye test positive in weakly acidic medium
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C
C gives dye test positive in strongly alkaline medium
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D
B can be formed by oxidation of toluene with chromyl chloride
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Solution
The correct option is A C gives dye test positive in weakly alkaline medium Starting compound is benzophenone.
B is benzoic acid and C is phenol.
Phenol gives azo dye test at a pH around 9-10.