The $H^{+}$ ion is a ...... .

In the following acid-base reactions,in which case can the backward reaction be favoured?

The neutralization of a strong acid by a strong base liberates an amount of energy per mole of $H^{+}$ that:

In the following reaction $HC_2O_4^- + PO_4^{3-} \rightleftharpoons HPO_4^{2-} + C_2O_4^{2-}$,which are the two Brønsted bases?

When $HClO_4$ is dissolved in the weak acid $HF$,the following equilibrium is established:
$HF + HClO_4 \rightleftharpoons H_2F^+ + ClO_4^-$
Which of the following is the correct set of conjugate acid-base pairs?

Which of the following statements is $NOT$ correct?