1.

The correct order of increasing \[[{{H}_{3}}{{O}^{+}}]\] in the following aqueous solutions is       [UPSEAT 2000]

A.                 0.01 M H2S <0.01 M H2SO4 < 0.01 M NaCl < 0.01 \[M\,NaN{{O}_{2}}\]
B.                 0.01 M NaCl <0.01 M NaNO2 < 0.01 M H2S < 0.01 M H2SO4
C.                 0.01 M NaNO2 <0.01 M NaCl < 0.01 M H2S< 0.01 M H2SO4
D.                 0.01 M H2S < 0.01 M NaNO2 < 0.01 M NaCl < 0.01 M H2SO4
Answer» D.                 0.01 M H2S < 0.01 M NaNO2 < 0.01 M NaCl < 0.01 M H2SO4


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