Question: I need help with this question Silane (SiH4), phosphine (PH3), and hydrogen sulfide (H2S) melt at 185C,133C, , and 85C respectively. What does this suggest

I need help with this question

Silane (SiH4), phosphine (PH3), and hydrogen sulfide (H2S) melt at 185C,133C, , and 85C respectively. What does this suggest about the nature of the intermolecular attractions of the three ?compounds The polarity (magnitude of the dipole moment) increases from SiH4, through PH3, to H2S The polarity (magnitude of the dipole moment) decreases from SHH4, through PH3, to H2S Hydrogen bonding increases from SiH4, through PH3, to 2H2 The effect of London dispersion forces increases from SiH4, through PH3, to H2S

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