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If \( \mathrm{K}_{\mathrm{a}_{1}} \) and \( \mathrm{K}_{\mathrm{a}_{2}} \) of \( \mathrm{H}_{2} \mathrm{SO}_{4} \) are \( 10^{-2} \) and \( 10^{-6} \) respectively at a certain temperature, then :
(A) \( \mathrm{K}_{a_{1}}\mathrm{K}_{\mathrm{a}_{2}} \) because it is easy to abstract \( \mathrm{H}^{+} \)from \( \mathrm{H}_{2} \mathrm{SO}_{4} \) and less easy to abstract \( \mathrm{H}^{+} \)from \( \mathrm{HSO}_{4} \).
(B) \( \mathrm{K}_{\mathrm{a}_{1}} \) and \( \mathrm{K}_{\mathrm{a}_{2}} \) may be measured in acetic acid.
(C) \( \mathrm{K}_{\mathrm{a}_{1}} \) and \( \mathrm{K}_{\mathrm{a}_{2}} \) are measured in \( \mathrm{H}_{2} \mathrm{O} \).
(D) the \( \mathrm{H}^{+} \)ion conc. of \( 0.01 \mathrm{M} \mathrm{H}_{2} \mathrm{SO}_{4} \) will be less than \( 0.02 \mathrm{M} \).
\( \mathrm{P} \)
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