Alcohols, Phenols and Ethers — Important Questions
Maharashtra Board · Class 12 · Chemistry
45 important questions from Alcohols, Phenols and Ethers for Maharashtra Board Class 12 Chemistry, with answers. Written for the board exams 2027.
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Important Questions from Alcohols, Phenols and Ethers
Which of the following compounds show acidic character in aqueous solution?
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Phenol, p-Nitrophenol
Phenols show acidic character due to resonance stabilization of phenoxide ion. Alcohols and ethers are neutral in aqueous solution.
What happens when phenol reacts with bromine water?
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2,4,6-tribromophenol is formed
Phenol reacts with bromine water to give 2,4,6-tribromophenol as a white precipitate due to the strong activating effect of -OH group.
Which of the following methods can be used to prepare ethers?
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Dehydration of alcohols, Williamson synthesis
Ethers can be prepared by dehydration of alcohols at lower temperatures or by Williamson synthesis using alkoxide and alkyl halide.
What is the product when ethanol is heated with concentrated H₂SO₄ at 443 K?
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Ethene
At 443 K, ethanol undergoes dehydration to form ethene. At lower temperature (413 K), diethyl ether is formed.
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