Question

Which of the following will produce only one product on reduction with $LiAlH _{4}$ ?

• A. $CH _{3} OCOCH _{2} CH _{3}$
• B. $CH _{3} CH _{2} OCOCH _{2} CH _{3}$
• C. $CH _{3} CH _{2} OCOCH _{3}$
• D. $CH _{3} CH _{2} OCOCH _{2} CH _{2} CH _{3}$

Answer 1

Answer: (A)

Only ethyl acetate undergoes reduction with $LiAlH_4$ to give only ethyl alcohol, other esters given in option on reduction gives a mixture of alcohols.
$CH_3COOCH_2CH_3 + 2H_2 \xrightarrow[{ether}]{LiAlH_4} 2CH_3CH_2OH$