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JEE CHEMISTRY MCQ: ALCOHOLS & PHENOLS & ETHERS
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Understanding
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Conc. heated with excess of at to form
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Correct option: A
Option A () is correct because the reaction of excess ethanol with concentrated sulfuric acid at 140°C leads to the formation of diethyl ether.
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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 The boiling points of thio-ethers are…than those of ether.
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 The boiling points of thio-ethers are…than those of ether.