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JEE CHEMISTRY MCQ: ALCOHOLS & PHENOLS & ETHERS
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Understanding
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If ethanol dissolves in water, then which of the following would be observed
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Correct option: B
Emission of heat and contraction in volume
Option B (Emission of heat and contraction in volume) is correct because the dissolution of ethanol in water is an exothermic process with a decrease in volume.
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Assertion (A): Isopropyl alcohol is preferred over ethanol.
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