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Question
Identify A, B and C.

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Solution
\[\ce{C6H5COOH ->[PCl5] C6H5COCl ->[C6H6][Anhydrous AlCl3] C6H5COC6H5 + HCl}\]

| A | C6H5COCl | Benzoyl Chloride |
| B | C6H5COC6H5 | Benzophenone |
| C | C6H5COOC2H5 | Ethyl benzoate |
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