HARD
Diploma
IMPORTANT
Earn 100

Deduce the two acids and their conjugate bases in the following reaction:

Important Questions on Acids and Bases (AHL)
MEDIUM
Diploma
IMPORTANT
Explain why the following reaction can also be described as an acid–base reaction.

HARD
Diploma
IMPORTANT
Define a Lewis acid and state an example that is not a Brønsted–Lowry acid

MEDIUM
Diploma
IMPORTANT
Draw structural formulas to represent the reaction between a Lewis acid and a Lewis base and identify the nature of the bond formed in the product.

HARD
Diploma
IMPORTANT
When these acidic solutions are arranged in order of increasing strength (weakest first), what is the correct order?
Acid in solution X :
Acid in solution Y :
Acid in solution Z :

HARD
Diploma
IMPORTANT
for water at . What is the of pure water at this temperature?

HARD
Diploma
IMPORTANT
What is for the aqueous fluoride ion given that is and for is at ?

HARD
Diploma
IMPORTANT
Ammonia acts as a weak base when it reacts with water. What is the expression for this reaction?

HARD
Diploma
IMPORTANT
Ammonia, , is a weak base. It has a value of .
Calculate the pH of a aqueous solution of ammonia at .
