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In: Chemistry

The dipole moments decrease across the series PH3 > AsH3 > SbH3 > BiH3. Why do...

The dipole moments decrease across the series PH3 > AsH3 > SbH3 > BiH3. Why do the boiling points increase?

Check all that apply.

The electron clouds of the molecules become smaller along the series.

The electron clouds of the molecules become larger along the series.

The smaller numbers of electrons are more polarizable, leading to greater dispersion forces.

The larger numbers of electrons are more polarizable, leading to greater dispersion forces.

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