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JEE CHEMISTRY MCQ: ALCOHOLS & PHENOLS & ETHERS
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Given below are two statements.
Statement-I: Phenol reacts with bromine in gives a white ppt. of 2,4,6-tribromophenol.
Statement-II : Phenol reacts with dil. at to form o- and p-nitrophenol
Choose the most appropriate answer from given below options:
Statement-I: Phenol reacts with bromine in gives a white ppt. of 2,4,6-tribromophenol.
Statement-II : Phenol reacts with dil. at to form o- and p-nitrophenol
Choose the most appropriate answer from given below options:
View answer and explanation
Correct option: D
Statement-I is incorrect and Statement-II is correct
The correct answer is D (Statement-I is incorrect and Statement-II is correct) because phenol reacts with bromine water to give a white precipitate of 2,4,6-tribromophenol, but with bromine in CCl4, it gives a mixture of ortho and para bromophenols. Phenol reacts with dilute HNO3 at 0-10°C to form o- and p-nitrophenol is correct.
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Reason (R): Isopropyl alcohol is used as an antiseptic for skin before giving injections. Germinated Barley (an enzyme) is a source of enzyme: The process of converting alkyl halides into alcohols involves The b.p. of alcohols are….than corresponding thiols. Which of the following can not be used to oxidise primary alcohols to aldehydes Conc. heated with excess of at to form