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Question

Benzoic acid gives benzene on being heated with X and phenol gives
benzene on being heated with Y. Therefore X and Y are respectively

A
Zn dust and NaOH
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B
Zn dust and sodalime
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C
Zn dust and NaOH
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D
Sodalime and zinc dust
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Solution

The correct option is D Sodalime and zinc dust
When sodium benzonate is heated with sodalime ( a mixture of NaOH and CaO), benzene and sodium carbonate is obtain through decarboxylation.


When phenol reacts with Zn dust, benzene is formed. Hence, the correct answer is option (a).

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