Question

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PH3 has lower boiling point than NH3. Why?


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Answer 1

PH3 has lower boiling point than NH3. ... Unlike NH3, PH3 molecules are not associated through inter molecular hydrogen bonding in liquid state. That is why the boiling point of PH3 is lower than NH3.

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Answer 2

Answer:

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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