JEE CHEMISTRY MCQ: ALCOHOLS & PHENOLS & ETHERS

1 Hard

1 of 1

Analyzing +4 | -1

Which of the following ethers is the most unreactive to cleavage with

H B r

View answer and explanation

Correct option: C

\mathrm{C}_{6} \mathrm{H}_{5} \mathrm{OC}_{6} \mathrm{H}_{5}

Option C (

\mathrm{C}_{6} \mathrm{H}_{5} \mathrm{OC}_{6} \mathrm{H}_{5}

) is the most unreactive because the oxygen's lone pairs are delocalized into both phenyl rings, stabilizing the ether and making it less susceptible to cleavage.

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}

to form