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Question

Sulfuric acid, (H2SO4) is a diprotic acid. which hydrogen ion is most difficult to remove ?

A
The first
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B
The second
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C
They are both equally difficult to remove
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D
None of the above
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Solution

The correct option is B The second
It is more difficult to remove a positively charged proton (H+) from a negatively charged anion due to electrostatic force. thus second hydrgen from (H2SO4) is diificult to remove as compared to first hydrogen. hence option B is correct.

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