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02/10/2020 5:53 pm
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Which of the following are arranged in the decreasing order of dipole moment?
(a) CH3Cl, CH3Br, CH3F
(b) CH3Cl, CH3F, CH3Br
(c) CH3Br, CH3Cl, CH3F
(d) CH3Br, CH3F, CH3Cl
1 Answer
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02/10/2020 5:54 pm
(b) CH3Cl, CH3F, CH3Br
Explanation:
Fluorine is most electronegative and Br is least electronegative. So CH3F should have highest dipole moment but as C – F bond length is very small so inspite of greater polarity in CH3F, it has less dipole moment than CH3Cl.