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How do you exlpain the correct order of dipole moments of given organic compunds? What is the general methodology and things/effects to be considered?

How do you exlpain the correct order of dipole moments of given organic compunds? What is the general methodology and things/effects to be considered?

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1 Answers

Aman Bansal
592 Points
11 years ago

Dear Yash,

A dipole moment is defined as a measure of the molecular polarity of a compound; the magnitude of the partial charges on the ends of a molecule times the distance between them (in meters).

In order for there to be a dipole moment the element must must have molecular polarity which results from molecules with a net imbalance of charge (often a result of differences in electronegativity). If the molecule has more than two atoms, both shape and bond polarity determines the molecular polarity.

In general look for a difference in electronegativity of the elements of a molecule which results in polarity and thus a possible dipole moment. Note that molecular shape influence polarity so molecules with the same elements but a different shape (and vice versa) won''t have the same dipole moment.

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