Question
Thu December 22, 2011 By: Vaishnavi Dupaguntla

why does NH3 forms hydrogen bonds whlile PH3 does not?

Expert Reply
Fri December 23, 2011

Nitrogen is highly electronegative as compared to phosphorus. This causes a greater attraction of electrons towards nitrogen in NH3 than towards phosphorus in PH3. Hence, the extent of hydrogen bonding in PH3 is very less as compared to NH3.

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