Chemical Bonding Result Question 28

28. What effect should the following resonance of vinyl chloride have on its dipole moment?

$(1987,1 M)$

$\mathrm{CH} _2=\mathrm{CH}-\mathrm{Cl} \longleftrightarrow \mathrm{CH} _2^{-}-\mathrm{C}^+ \mathrm{HCl}$

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Solution:

  1. Resonance in vinyl chloride increases polar character of the molecule.