Back to ALCOHOLS & PHENOLS & ETHERS

JEE CHEMISTRY MCQ: ALCOHOLS & PHENOLS & ETHERS

1 Medium

1 of 1

Understanding +4 | -1

Alcoholic fermentation of sugar gives 3% glycerol. The yield can be increased to 25% if fermentation is made in presence of:

View answer and explanation

Correct option: C

\mathrm{N}{\mathrm{a}_2}\mathrm{S}

Option D (None of these) is correct because the presence of sodium bisulfite (

NaHSO_3

) increases the glycerol yield during alcoholic fermentation, not the given options.

More Questions from ALCOHOLS & PHENOLS & ETHERS

Practice All Chapter MCQs →

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}