JEE CHEMISTRY MCQ: ALCOHOLS & PHENOLS & ETHERS

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1-propanol and 2-propanol can be distinguished by

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Correct option: C

Oxidation by heating with copper followed by reaction with Fehling solution

Option C is correct because oxidation with copper followed by reaction with Fehling's solution will distinguish between 1-propanol (which forms an aldehyde that reduces Fehling's) and 2-propanol (which forms a ketone that does not reduce Fehling's).

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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.

\mathrm{H}_2 \mathrm{SO}_4

heated with excess of

\mathrm{C}_2 \mathrm{H}_5 \mathrm{OH}

140^{\circ} \mathrm{C}

to form