Question Bank

Which of the following is the strongest acid?

Calculate the pH of a 0.01 M NaOH solution.

Which of these is a buffer solution?

What is the effect of the 'Common Ion Effect' on the ionization of a weak acid?

What is the pH of a solution where the hydrogen ion concentration is $2 \times 10^{-5}$ M? (Given $log 2 = 0.3$)

According to Lewis theory, a base is:

Which of the following has the highest value of $K_a$?

The conjugate acid of $NH_2^-$ is:

A solution has $[H^+] = 10^{-8} M$. The solution is:

Which of the following is a neutral oxide?

What is the relation between pH and pOH in any aqueous solution?

Which factor does not affect the degree of ionization of an electrolyte?

The hydrolysis of a salt of a weak acid and a strong base results in:

If the $K_b$ of a base is $10^{-5}$, what is its $pK_b$?

Which of the following behaves as both a Bronsted acid and a Bronsted base?

What is the color of phenolphthalein at pH 12?

Which gas is produced when $NH_4Cl$ reacts with $Ca(OH)_2$?

Which of the following is not a Lewis base?

What is the percentage ionization of a 0.1 M weak acid with $[H^+] = 10^{-3} M$?

What is the heat of neutralization for a strong acid and a strong base?