Acids and Bases

Question 1

Define Acid

Answer 1

a proton donor

Question 2

Base

Answer 2

as a proton acceptor

Question 3

Ionisation

Answer 3

the reaction of a molecular substance with water to produce ions

Question 4

Define s strong acid

Answer 4

as an acid that ionizes completely completely in an aqueous solution

Question 5

List common acids

Answer 5

HCL- hydrochloric acid
H2SO4- Sulphuric acid
HNO3- nitric acid

Question 6

Define a weak acid

Answer 6

an acid that only ionises partially in an aqueous solutions

Question 7

List common weak acids

Answer 7

HF- hydroflouric acid
H3PO4- Phosphoric acid
H2SO3- sulfurous acid
(COOH)2- oxalic acid
CH3COOH- Ethanoic acid

Question 8

What is a polyprotic acid

Answer 8

on the basis of being able to donate more than one proton

Question 9

Define dissociation

Answer 9

as the splitting of an ionic compound into its ions

Question 10

Define Strong Base

Answer 10

As a base that dissociates completely in an aqueous solution

Question 11

List common Strong Bases

Answer 11

NaOH- sodium hydroxide
KOH- potassium hydroxide
Mg(OH)2- Magnesium hydroxide

Question 12

Define a weak base

Answer 12

as the base that only dissociate/ionizes partially in an aqueous solution

Question 13

Define an amphoteric

Answer 13

substance as a substance that can act as either an acid or a base

Question 14

List common Amphoteric substances

Answer 14

H20
H2SO4-
HCO3-

Question 15

list common weak bases

Answer 15

-NH3- ammonia
CaCO3- calcium Carbonate
Na2CO3- sodium carbonate
NaHCO3- Sodium hydrogen Carbonate