HCN(aq)+H_(2)O(l)?H_(3)O^(+)(aq)+CN^(-)(aq)K_(a)=6.2\times 10^(-10)
H_(2)O(l)+H_(2)O(l)?H_(3)O^(+)(aq)+OH^(-)(aq),K_(w)=1.0\times 10^(-14)
Based on the chemical equations given, which of the following statements is correct?
(A) HCN is a weaker acid than H_(2)O.
(B) CN^(-)is a stronger acid than HCN .
(C) CN^(-)is a stronger base than H_(2)O.
(D) H_(2)O is a weaker base than HCN .