Q.
Among the following statement which one is true?
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a
NH3 is less soluble than PH3, in water
b
NH3 is sfronger base and stronger reducing agent thanPH3
c
NH3 , has higher boiling point than PH3 and has lower melting point than PH3
d
PH3 is stronger reducing agent than NH3 and it has lower critical temperature that NH3
answer is D.
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Detailed Solution
NH3 is a weak reducing agent than PH3 because X - H bond strength decreases down the group. Due to absence of H-bond only weak van der Waals force of attraction exists in PH3 Hence it has lower critical temperature than NH3
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