Acid-Base Dissociation - Ch2 / L1

Question 1

What is an acid

Answer 1

Acids form solutions with a pH < 7, as they donate H+ ions into an aqueous solution

Question 2

What is a base

Answer 2

Bases form solutions with a pH > 7 that accept H+ ions form an aqueous solution

Question 3

What is an alkali

Answer 3

Soluble bases with a pH > 7 that release OH- ions into an aqueous solution, generally hydroxides

Question 4

What is a strong acid + examples

Answer 4

An acid that fully dissociates H+ ions into a solution - HCl (hydrochloric acid), HNO3 (nitric acid), H2SO4 (sulphuric acid)

Question 5

What is a strong base + examples

Answer 5

A base that fully dissociates OH- ions into a solution - NaOH (sodium hydroxide), KOH (potassium hydroxide), Ba(OH)2 (barium hydroxide)

Question 6

What is a weak acid + examples

Answer 6

An acid that partially dissociates H+ ions into a solution. It is a reversible reaction so both reactants and products are present - Any organic acid (mainly carboxylic acids)

Question 7

What is a weak base + examples

Answer 7

A base that partially dissociates into a solution generating some OH- ions. It is a reversible reaction so both reactants and products are present - Ammonia and amines