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azamat
3 years ago
14

Why the dipole moment of Co2 is zero and that of H2O is 1.85D?

Chemistry
1 answer:
valentina_108 [34]3 years ago
6 0

Answer/ explanation :

In CO2 molecule, the angle between O-C-O is 180, therefore, when the oxygen atom attracts the electron pair towards itself, then it becomes partially negative and the carbon atom becomes partially positive. The bonds in O=C=O are pointing opposite each other and the bond dipoles cancels each other thereby making it zero.

The dipole in O-H bonds cannot cancel out and that is why water has an overall molecular dipole of 1.85D.

CO2 is a linear molecule, so the dipoles are symmetrical. The dipoles are equal in both magnitude but are differ in point facing opposite directions.

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