Question

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Answer 1

Answer:

Option no. 1 is correct

Explanation:

Lone pairs contribute to the molecule's dipole moment even though they do not constitute a 'bond'.

The sulfur 'end' of the lone pair is positive, and the electron 'end' is negative, so one might think of a 'lone pair dipole' contributing to the polarity of the molecule in analogy to a bond dipole.

Thus, it may be the lone pairs that make the major contribution to the polarity of the molecule.