Statement I : Since HClO₄ is a stronger acid than H₂SO₄, HCl and HNO₃,and therefore it has a greater tendency to donate proton in comparison to others.
Statement II : Perchloric acid is stronger acid than H₂SO₄ in acetic acid.

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Statement I and II are correct

Statement I is correct and Statement II is incorrect

Statement - I is incorrect and Statement II is correct

Both statement - I and statement - II are False

answer is A.

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Detailed Solution

Perchloric acid will have a more stable conjugate base in acetic acid due to greater extent resonance in the conjugate base. Question is based on the levelling effect of water. Only H⁺ can exist as a strong acid in water.

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