Which of the following has the greatest concentration of H+ ion?
A
1 M HCl solution
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B
1 M H3PO2 solution
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C
1 M H2SO4 solution
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D
1 M H2CO3 solution
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Solution
The correct option is B1 M H2SO4 solution Given the concentration of all the acidic solutions is equal. However,H2SO4 being the strongest acid will dissociate completely thus giving the highest concentration of H+ ions.