Question Bank

In the reaction NH3 + H2O -> NH4+ + OH-, water acts as:

Calculate the pH of 0.001 M NaOH solution.

Which of the following is a basic salt?

What is the nature of the solution formed by dissolving NH4Cl in water?

Which of the following is a polyprotic acid?

The pH of a 0.01 M HCl solution is:

Which gas is produced when metals react with concentrated nitric acid (HNO3)?

Which of the following species is amphiprotic?

What is the pOH of a neutral solution at 25 degrees C?

Which of the following will not undergo hydrolysis?

The Kw (ionic product) of water at 25 degrees C is:

What is the pH of a 1.0 M HCl solution?

Which of the following is a Lewis acid?

Aqua regia is a mixture of:

If the pH of a solution is 5, what is its pOH?

What happens to the pH of an aqueous solution of Na2CO3?

Which indicator has the highest pH range for its color change?

A buffer solution is one which:

Which of the following acids is a liquid at room temperature?

The strength of an acid is determined by its: