Question

Which of the following alcohols is prepared by acid catalysed hydration of alkenes?
(a) Butan — 1 — ol.
(b) Propan — I — ol
(c) ethanol
(d) methanol

Answer 1

(c) ethanol

as acid catalysed hydration of alkenes cannot yield alcohol with single carbon, bcz alkenes atleast have 2 carbons

secondly it follows markovnikov's addition , so formation of less substituated alcohol i.e, propan-1-ol and butan-1-ol is also not possible

Answer 2

Dear Gayathri,

◆ Answer -

(c) ethanol

● Explanation -

Acid catalyzed hydration is a chemical reaction in which water molecule is added to an unsaturated substrate under the influence of an acid catalyst.

This reaction tkaes place according to Markovnikov's rule. Thus Butanol & propanol are not possible.

Ethene on acid catalysed hydration yields ethanol.

CH2=CH2 + H2O --> CH3-CH2-OH

Also, methanol can't be formed as there is no corresponding alkene possible.

Hope this helps you. Thanks for asking..