Which of the following has the highest dipole | vedclass

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(A) $H_2C=O$ (formaldehyde) has the highest dipole moment due to the presence of a highly polar $C=O$ bond.Oxygen is significantly more electronegativ

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$H_2C=O$

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(A) $H_2C=O$ (formaldehyde) has the highest dipole moment due to the presence of a highly polar $C=O$ bond.Oxygen is significantly more electronegative than carbon,leading to a large bond dipole.In trans-isomers like trans-but$-2-$ene and trans$-2,3-$dichloro$-2-$butene,the bond dipoles cancel each other out due to molecular symmetry,resulting in a net dipole moment of approximately zero.$2$-Methylpropene has a small dipole moment,but it is much lower than that of formaldehyde.

Which of the following has the highest dipole moment?

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