The Boxes Below Contain a Series of 0 $$\begin{array} { | c | c | c | c | c | } \hline \mathrm { A } & \mathrm { B } & \mathrm { C } & \mathrm { D } & \mathrm { E } \\\hline\end{array}$$

Essay

The boxes below contain a series of 0.1 M aqueous solutions of increasing pH where A is the solution of lowest pH and E is the solution of highest pH. $$\begin{array} { | c | c | c | c | c | } \hline \mathrm { A } & \mathrm { B } & \mathrm { C } & \mathrm { D } & \mathrm { E } \\\hline\end{array}$$
Match each box with the correct compound.
phenol,pK_a = 9.89
cyanide ion,pK_b = 4.69
pyridine,pK_b = 8.75
hydrogen sulfate ion,pK_a = 1.92
sodium nitrate