Which of the following has zero dipole moment

Which of the following has zero dipole moment

Options

(a) 1-Butene
(b) 2-Methyl,1-Propene
(c) Cis 2-butene
(d) Trans 2-butene

Correct Answer:

Trans 2-butene

Explanation:

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  • Answer : trans- but-2-ene
    Here both alkyl clear both alkyl group on opposite side and purchase plus I effect but net dipole moment will be zero as they cancel out Each Other hence they are not polar in nature =0 debye unit

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