1.

s points. wvnyAmmonia has higher boiling point than phosphene. Why?3: Cu is colourless whereas Cu is blu

Answer»

AlthoughPH3is alargermolecule with greater dispersion forcesthanammonia,NH3 hasvery polar N-H bonds leading to strong hydrogen bonding. This the dominant intermolecular force and results ina greaterattraction betweenNH3moleculesthanthere is betweenPH3molecules..

reason is Hydrogen bonding.



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