Neutralization of an acid with a base invariably results in the production of

The first and second dissociation constants of an acid $H_2A$ are $1.0 \times 10^{-5}$ and $5.0 \times 10^{-10}$ respectively. The overall dissociation constant of the acid will be

What is the enthalpy change in $kJ$ when $1$ gram-equivalent of a strong base reacts with an excess of a strong acid?

Which of the following is known as the hydronium ion?

Which of the following is the most basic?

Which of the following compounds cannot act as both a $Br\o nsted$ acid and a $Br\o nsted$ base?