Back to ALCOHOLS & PHENOLS & ETHERS

JEE CHEMISTRY MCQ: ALCOHOLS & PHENOLS & ETHERS

1 Medium

1 of 1

Analyzing +4 | -1

Arrange the compounds in order of decreasing acidity:

I.

{Cl}-{CH}_2-{CH}_2-{SH}

II.

{Cl}_2 {CH}-{CH}_2-{SH}

III.

{Cl}-{CH}_2-{CH}_2-{OH}

IV.

{CH}_3-{CH}_2-{OH}

View answer and explanation

Correct option: D

II

>

I

>

III

>

IV

Option D (II > I > III > IV) is correct because electron-withdrawing chlorine atoms increase acidity, and thiols are more acidic than alcohols.

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}