1.

Explain why the dipole moment of CD_(3)F (1.858 D) is higher than that of CH_(3)F (1.847 D).

Answer»

Solution :D is more electron releasing than H. difference in electronegativity between C and F in `CD_(3)F` is MUCH higher than that between C and F in `CH_(3)F`, HENCE, `CD_(3)F` is more polar than `CF_(3)F`. THEREFORE, DIPOLE moment of `CD_(3)F` is higher than that of `CF_(3)F`.


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