Q. The only molecule having dipole moment is
A) 2,2-dimethylpropane
B) trans-2-pentene
C) trans-3-hexene
D) 2,2,3,3-tetramethylbutane
Explanation
(b)
Trans 2-pentene has dipole moment.
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Because +I effect of ethyl group is more than that of $CH_{3}$ group, hence the two dipoles do not cancel each other.
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.