Q. The stability of $CH_{3} - CH = CH - CH_{3},CH_{3} - C = C - CH_{3}$ | | $\ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ CH_{3}\ CH_{3}$ (I) (II) $CH_{3} - C = CH_{2}\ \ \ \ CH_{3} - C = CH - CH_{3}$ | | $\ \ \ \ \ \ \ \ \ \ \ \ \ CH_{3}\ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ CH_{3}$ $\ \ \ \ \ \ \ \ \ \ \ \ (III)\ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ (IV)$ In the increasing order is
A) III<I<IV<II
B) I<II<III<IV
C) IV<III<II<I
D) II<III<IV<I
Explanation
(a)
Can be solved on the basis of hyperconjugative structures
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.