Which among the following has the highest dipole moment?
A
CCl4
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B
CHCl3
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C
CH2Cl2
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D
CH3Cl
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Solution
The correct option is DCH3Cl NameMolecularDipole MomentFormula(debyes, D)ChloromethaneCH3Cl1.87DichloromethaneCH2Cl21.60TrichloromethaneCHCl31.01TetrachloromethaneCCl40
With the increase in the number of C−Cl bonds, dipole moment decreases due to the cancellation of the polarity vectors of C−Cl bonds by each other and it is zero in the case of tetrachloromethane.