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Phenol reacts with methyl chloroformate in the presence of NaOH to form product A, A reacts with Br 2 to form product B. A and B are respectively :

1. and OH O OCH 3 OH O OCH 3 Br and
2. and O O O O and Br O O
3. and O O O O and O O Br
4. and OH O OCH 3 OH O OCH 3 and Br

Correct answer: and O O O O and O O Br

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