In cis and trans, whose dipole moment is more, explain with example ?

1.	In cis and trans, whose dipole moment is more, explain with example ?
Answer» Solution :`CH_(3)CH=CHCH_(3)` has 2 geometrical isomers : (i) Cis-but-2-ene (ii) Trans-but-2-ene. Always cis-isomer DIPOLE moment `(mu) gt` Trans-isomers. Isomers of But-2-ene are shown with its isomers and dipole moment. Trans-but-2-ene has `2-CH_(3)` group, they are in opposite side therefore dipole moments of `C-CH_(3)` BONDS circle, thus making the trans form non-polar. Cis isomers are polar because in Cis-but-2-ene has `2-CH_(3)` group and they are on same side of double bond. ELECTRONEGATIVITY of `C_CH_(3)` are added, in which the dipole moment is more. therefore, cis-isomer is polar and trans isomer is non-polar.

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