Acetic acid,$(CH_3COOH)$,has a $pK_a$ of $4.8$. Ethanol,$(CH_3CH_2OH)$,has a $pK_a$ of $16.0$. What are the major species present when acetic acid and ethanol are added to water and the $pH$ is adjusted to $7.0$?

Which of the following mixing of $1 \ M$ base and $1 \ M$ acid leads to the largest increase in temperature?

The $pK_a$ of a weak acid is defined as:

In the equilibrium $HClO_4 + H_2O \rightleftharpoons H_3O^{+} + ClO_4^-$,which of the following statements is correct?

Which are the conjugate bases of the strong acids $HClO_4$,$H_2SO_4$,$HNO_3$,and $HPO_4^{2-}$? Are they strong or weak?

Phosphoric acid ionizes in three steps with their ionization constant values $K_{a_1}, K_{a_2}$ and $K_{a_3}$ respectively,while $K$ is the overall ionization constant. Which of the following statements are true?
$A.$ $\log K = \log K_{a_1} + \log K_{a_2} + \log K_{a_3}$
$B.$ $H_3PO_4$ is a stronger acid than $H_2PO_4^{-}$ and $HPO_4^{2-}$
$C.$ $K_{a_1} > K_{a_2} > K_{a_3}$
$D.$ $K_{a_1} = \frac{K_{a_3} + K_{a_2}}{2}$
Choose the correct answer from the options given below