The bond between carbon and hydrogen is one of the most important types of bonds in chemistry. The length of an H-C bond is approximately 1.1 Å. Based on this distance and differences in electronegativity, do you expect the dipole moment of an individual H-C bond to be larger or smaller than that of an H-I bond?

Question

Fatty

Chemistry

26 March, 08:26

The bond between carbon and hydrogen is one of the most important types of bonds in chemistry. The length of an H-C bond is approximately 1.1 Å. Based on this distance and differences in electronegativity, do you expect the dipole moment of an individual H-C bond to be larger or smaller than that of an H-I bond?

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Sierra Fitzpatrick · Answer 1

The dipole moment of H-C bond will be smaller than that of an H-I bond.

Explanation:

The electronegativity of iodine is greater than that of hydrogen. As a result the iodine atom tends to attract the bond electron pair of H-I bond towards itself creating a bond dipole which does not occur in case of H-C bond as the electronegativity of carbon and hydrogen are almost same.

That"s why dipole moment of H-C bond is smaller than that of H-I bond.