Chemistry · PYQ NEET UG 2023

Which amongst the following will be most readily dehydrated under acidic conditions ?

1. \( \mathrm{NO_{2}-CH(CH_{3})-CH_{2}-CH(OH)-CH_{3}} \)
2. \( \mathrm{NO_{2}-CH(CH_{3})-C(OH)(CH_{3})-CH_{2}-OH} \)
3. \( \mathrm{(CH_{3})_{2}C(OH)-CH_{2}-CH(OH)-CH_{3}} \)
4. \( \mathrm{NO_{2}-CH_{2}-CH_{2}-CH_{2}-CH(OH)-CH_{3}} \)