Question

Why second dissociation of H2SO4 is slow ?​

Answer 1

Answer:

Hence for the second dissociation, since H+ is one of the products, and is in large concentration, the second dissociation is actually favored in the reverse direction. Thus, deprotonation of HSO4− is not favorable. Hence, the Ka2 of H2SO4 is significantly lower than its Ka1.

Answer 2

Answer:

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Hence for the second dissociation, since H+ is one of the products, and is in large concentration, the second dissociation is actually favored in the reverse direction. Thus, deprotonation of HSO4− is not favorable. Hence, the Ka2 of H2SO4 is significantly lower than its Ka1.

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