Which of the following hydrocarbons has the lowest dipole moment ? (2002)

Chemistry · JEE Advanced · NTA Exams — Basic Principles of Organic Chemistry

1. cis-2-butene
2. 2-butyne
3. 1-butyne
4. \(\mathrm{H}_{2} \mathrm{C}=\mathrm{CH}-\mathrm{C} \equiv \mathrm{CH}\)

Answer

(B) 2-butyne

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