Organic Chemistry Basics 2 Question 37

37. Which of the following hydrocarbons has the lowest dipole moment?

(2002)

(a) cis-2-butene

(b) 2-butyne

(c) 1-butyne

(d) $\mathrm{H}_{2} \mathrm{C}=\mathrm{CH}-\mathrm{C} \equiv \mathrm{CH}$

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Solution:

  1. $\mathrm{CH}{3}-\mathrm{C} \equiv \mathrm{C}-\mathrm{CH}{3}$ symmetric