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An organic compound A has the molecular ...

An organic compound A has the molecular formula of `C_7H_6O`. When A is treated with NaOH followed by acid hydrolysis, it gives two products, B and C. When B is oxidised, it gives A. When A and C are each treated separately with `PCl_5`, they give two different organic products D and E.
Identify A to E.

Text Solution

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(A) = `C_(6)H_(5)CHO`
(B) = `C_(6)H_(5)CH_(2)OH`
(C ) = `C_(6)H_(5)COOH`
(D) = `C_(6)H_(5)CHCl_(2)`
(E) = `C_(6)H_(5)COCl`
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