Which statement(s) is/are correct about dipole moment. I. 1 Debye is equivalent to 3.33×10−30Cm. II. 1 Debye is equivalent to 10−18 esu. III. SI unit of dipole moment is coulomb meter (Cm)IV. Dipole moment of a molecule is useful to explain the shape of a molecule and also to predict other properties of the molecule.

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I, II

I. III. IV

I, II, III

I,II,III,IV

answer is D.

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Detailed Solution

The dipole moment is used to find the polar nature of the bond. As the magnitude of dipole moment increases, more will be the polar nature of the bond in a molecule. Molecules with zero dipole moment are non-polar in nature, while molecules with dipole moment are said to be polar in nature.

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