Why does PH3 have a lower boiling point than NH3?
Why does PH3 have a lower boiling point than NH3?
Harshit Singh , 4 Years ago
Grade 12th pass
10 grade science> Why does PH3 have a lower boiling point t...
1 AnswersYash Patari
Dear student
NH3 molecules makes strong intermolecular H bonding b/w themselves. But due to lesser electronegativity of larger PH3 molecules, they cannot form Hydrogen Bonding b/w themselves. In NH3, there is hydrogen bonding whereas in PH3 there is no hydrogen bonding. Therefore, the NH3 has higher boiling point than PH3.
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