A) I > III > II
B) I > II > III
C) II > III > I
D) III > I > II
Correct Answer: D
Solution :
Acidity is directly propotional to oxidation number. As the O.No. of S, P and Cl in \[{{H}_{2}}S{{O}_{3}},{{H}_{3}}P{{O}_{3}}\] & \[HCl{{O}_{3}}\] is +4, +3 & +5 respectively so decreasing order of acidity will be III > I > II.You need to login to perform this action.
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