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JEE CHEMISTRY MCQ: ALCOHOLS & PHENOLS & ETHERS
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To obtain unsaturated alcohols from unsaturated aldehydes the following reagent is used for reduction:
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Correct option: D
Option D is correct. LiAlH4 reduces the carbonyl group of an aldehyde to an alcohol without affecting the carbon-carbon double bond.
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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
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