p-Block elementsHard
Question
Which of the following species is basic and reducing ?
Options
A.SO32-
B.SO42-
C.S2O42-
D.HSO4-
Solution
SO32- : 
It contains one lone pair of electron in sp3 hybrid orbital. SO32- + 2H+ → SO2 + H2O.
S2O42- :
It contains one lone pair of electron in sp3 hybrid orbital. SO32- + 2H+ → SO2 + H2O.S2O42- :
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