Why does NH3 forms H-bond but PH3 does not?
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Nitrogen is highly electronegative as compared to phosphorus. This causes a greater attraction of electrons towards nitrogen in NH 3 than towards phosphorus in PH 3. Hence, the extent of hydrogen bonding in PH 3 is very less as compared to NH 3.
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Explanation:
Nitrogen is highly electronegative as compared to phosphorus. This causes a greater attraction of electrons towards nitrogen in NH 3 than towards phosphorus in PH 3. Hence, the extent of hydrogen bonding in PH 3 is very less as compared to NH 3.
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