If the molecules of two different substances have a similar size but the molecules of one substance are polar while the molecules of the other substance are nonpolar, what is most likely true about the substances? The polar substance has a lower boiling point than the nonpolar substance. The nonpolar substance has a lower boiling point than the polar substance. Both substances have similar volatilities. Both substances have similar solubilities.

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Answer:

The nonpolar substance has a lower boiling point than the polar substance

Explanation:

What causes polarity is how the electrons of the molecules in each substance are being shared. To have a polar substance/molecule it means that the electrons are not equally shared and when there is non-polar molecule we have that the electrons are shared evenly.

For instance, let's say we have a chemical Compound AB. If AB is polar it means that the electrons here are not evenly distributed, thus we will have one of the molecules to be positive and the other to be negative, say A^- and B^- = A^-B^-. Hence, they have polar bonds.

The bonds in polar substance are stronger than the one in non polar substance thus we have lower boiling point in non-polar substance(the bonds are held together by weak forces) and a high boiling point in a polar substance.

Answer:

B.) The nonpolar substance has a lower boiling point than the polar substance

Explanation:

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