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JEE CHEMISTRY MCQ: ALCOHOLS & PHENOLS & ETHERS
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If methanol vapour is passed over heated copper at , it forms formaldehyde by:
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Correct option: B
Dehydrogenation
Option B (Dehydrogenation) is correct because methanol is converted to formaldehyde by the removal of hydrogen atoms.
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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