The formula of 2, 4, 6-tribromo phenol is
Correct answer: B. B
- A. A
- B. B
- C. C
- D. D
Explanation
Carbons are numbered according to the placement of the -OH group. The carbon to which the OH group is attached is C1. The bromines must be attached to C2, C4 and C6 on the benzene going in a clockwise direction from C1.
This question appeared on the UHS MDCAT 2014 paper, which you can sit online with every answer explained.
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About Phenols
Phenols contain a hydroxyl group directly bonded to an aromatic ring, making them more acidic than alcohols because the phenoxide ion is resonance-stabilised. Reactions include ionisation with bases, electrophilic substitution, bromination, nitration and oxidation, with attention to the difference between phenols and aliphatic alcohols.
Practise Alcohols and Phenols
535 free Alcohols and Phenols MCQs from Chemistry, each with the correct answer and an explanation. Unlimited attempts, no account needed.
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