Which of the following hydrocarbons has the l | vedclass

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(B) The dipole moment of a molecule depends on its symmetry and the polarity of its bonds.$CH_3C \equiv CCH_3$ (but$-2-$yne) is a symmetrical linear m

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$CH_3C \equiv CCH_3$

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(B) The dipole moment of a molecule depends on its symmetry and the polarity of its bonds.$CH_3C \equiv CCH_3$ (but$-2-$yne) is a symmetrical linear molecule where the dipole moments of the two $C-CH_3$ bonds cancel each other out,resulting in a net dipole moment of $0 \ D$.$cis-3-methylpent-2-ene$ has a non-zero dipole moment due to its unsymmetrical structure.$CH_3CH_2C \equiv CH$ and $CH_2 = CH - C \equiv CH$ are terminal alkynes and alkenes,which possess a permanent dipole moment due to the difference in electronegativity between $sp$ and $sp^3$ or $sp^2$ hybridized carbon atoms.Therefore,$CH_3C \equiv CCH_3$ has the lowest dipole moment.

Which of the following hydrocarbons has the lowest dipole moment?

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