Why is Ka1=Ka2 for H2SO4 in water?

Dear student. Ka1 is not equal to Ka2 for H2SO4 in water, rather Ka1 is greater than Ka2 for H2SO4 in water. Ka1 is when H2SO4 gives HSO4- and H+. Ka2 is when HSO4- gives SO42- and H+. It is much easier for a neutral H2SO4 to release H+ than a negatively charged HSO4-. Hence Ka2 is much lesser than Ka1. Regards

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