Ionic EquilibriumHard

Question

The correct order of increasing [OH–] in the following aqueous solution is

Options

A.0.01 M-NaHCO3 < 0.01 M-NaCN < 0.01 M-KCl
B.0.01 M-KCl < 0.01 M-NaCN < 0.01 M-NaHCO3
C.0.01 M-KCl < 0.01 M-NaHCO3 < 0.01 M-NaCN
D.0.01 M-NaCN < 0.01 M-KCl < 0.01 M-NaHCO3

Solution

The order of acidic strength is HCl > H2CO3 > HCN

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