p-Block elementsHard
Question
Which of the following statement(s) is/are incorrect ?
Options
A.SbH3 > NH3 > ASH3 > PH3 (boiling point)
B.H3PO4 > H3PO3 > H3PO2 (reducing character)
C.N2O < NO < N2O3 < N2O5 (oxidation state on nitrogen atom)
D.NH3 > PH3 >ASH3 > SbH3 ≥ BiH3 (basicity)
Solution
Correct order is
H3PO2 > H3PO3 > H3PO4
as number of reducing hydrogen decreases. Redusing nature decreases.
Note : Hydrogen atom directly attached to phosphorus is called reducing hydrogen.
H3PO2 > H3PO3 > H3PO4
as number of reducing hydrogen decreases. Redusing nature decreases.
Note : Hydrogen atom directly attached to phosphorus is called reducing hydrogen.
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