Is SCl2 polar or nonpolar?


Quick Answer

Sulfur dichloride (SCl2) is a polar molecule. It contains two pairs of electrons and two polar bonds, which confer a net dipole moment on the molecule due to their geometric arrangement.

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Full Answer

Sulfur has six valence electrons. Two of the electrons are shared with two chlorine atoms to form two covalent bonds. The remaining four electrons remain as non-bonded lone pairs. The lone pair electrons repel each other and the covalent bonds, thus giving the molecule a bent structure similar to water molecules.

Chlorine has a higher electronegativity than sulfur and attracts the bonded electron pair closer to itself. This gives the chlorine atoms a partial negative charge and a partial positive charge to the sulfur. The presence of asymmetric polar bonds makes sulfur dichloride a polar molecule.

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