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Which is the strongest acid in the following HClO3 HClO4 H2SO3 H2SO4 How to find the pka value for all option and how to find strong acid

Which is the strongest acid in the following
HClO3
HClO4
H2SO3
H2SO4
How to find the pka value for all option and how to find strong acid

Grade:11

1 Answers

Arun
25750 Points
5 years ago
HCLO4is the strongst acid.
reason between hclo3 abd hclo4 .hclo4 is strong because it has greater no oxygen atom.more the oxygen atom more electron will be pulled away from o-h bond and the more this bond will be weakened.
between h2so4 and h2 so3 similar reason.now between h2so4 and hclo4,hclo4 is strong because the perchlorate ion form by the removal of hydrogen atom is more stabilised than sulfate ion or in othr words the negtive charge in perchlorate ion is more dispersed as compared to sulfate ion.
 
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Arun (askIITians forum expert)

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