The major product of the following
Question:

The major product of the following reaction is :

$\mathrm{CH}_{3} \mathrm{CH}=\mathrm{CHCO}_{2} \mathrm{CH}_{3} \stackrel{\mathrm{LiAlH}_{4}}{\longrightarrow}$

1. $\mathrm{CH}_{3} \mathrm{CH}_{2} \mathrm{CH}_{2} \mathrm{CHO}$

2. $\mathrm{CH}_{3} \mathrm{CH}=\mathrm{CHCH}_{2} \mathrm{OH}$

3. $\mathrm{CH}_{3} \mathrm{CH}_{2} \mathrm{CH}_{2} \mathrm{CO}_{2} \mathrm{CH}_{3}$

4. $\mathrm{CH}_{3} \mathrm{CH}_{2} \mathrm{CH}_{2} \mathrm{CH}_{2} \mathrm{OH}$

Correct Option: , 2

Solution: