Question

Acid catalysed hydration of alkenes except ethene leads to the formation of

• A. Secondary or tertiary alcohol
• B. Primary and secondary alcohol
• C. Secondary alcohol
• D. Tertiary alcohol

Answer 1

The correct option is A Secondary or tertiary alcohol

Acid catalysed hydration of alkenes except ethene leads to the formation of secondary or tertiary alcohol. To obtain primary alcohol, hydroboration oxidation is used.
$C{H}_3-CH=C{H}_2\underset{H_{2}O}{\overset{H^{+}}{\to }}\underset{2^{o}alcohol}{C{H}_3-\underset{\underset{\text{OH}}{|}}{CH}-C{H}_3}$

$(C{H}_3{)}_2-C=C{H}_2\underset{H_{2}O}{\overset{H^{+}}{\to }}\underset{3^{o}alcohol}{(C{H}_3{)}_2-\underset{\underset{\text{OH}}{|}}{C}-C{H}_3}$