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sandhra knair Grade: 12
        

Even though F is more electro -ve than Cl ,CHCl3 has more dipole moment than CHF3 .  Why??

6 years ago

Answers : (2)

Anirudh mahendrakar
32 Points
										

the dipole moment doesn't only depend upon the electronegative element in the group...


it depends on the bond length..


the bond length of C-Cl>C-F

6 years ago
vikas askiitian expert
510 Points
										

dipole moment = q(d)


d is seperation bw atoms ....


in case of CHF3 , q(charge seperation) is more than in CHCl3 due to high electronegativity of F


, but due to large size of Cl atom ,distance bw C-Cl becomes more & dipoe moment of each


 C - Cl in CHCl3 becomes more than that of C-F in CHF3 ...


hence dipole moment is more for CHCl3 ...

6 years ago
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