FC5: Acids, Bases and Salts

Question 1

What are bases?

Answer 1

Proton acceptors- receive H+ ions

Question 2

What are the three common alkalis?

Answer 2

KOH
NaOH
NH3

Question 3

What is the product of reaction between an acid and an alkali?

Answer 3

Salt and water

Question 4

What is the formula for ethanoic acid, an example of a weak acid?

Answer 4

CH3COOH

Question 5

What is a weak acid?

Answer 5

An acid that only partially ionises in water

Question 6

How is ethanoic acid dissociated?

Answer 6

CH3COO- + H+

Question 7

How do you know if a reactant is solid?

Answer 7

It isn’t specified as solution

Question 8

What is included in an ionic equation?

Answer 8

Only the reacting particles

Question 9

How do you do an ionic equation?

Answer 9

Balance it normally
Separate aqueous components
Remove anything that appears on both sides, leaving the reactants
Remember to make sure charges balance!

Question 10

What is the reaction of a metal and acid?

Answer 10

Metal + acid —–> Salt + hydrogen

Question 11

What is the reaction of a metal oxide and acid?

Answer 11

Metal oxide + acid ——> salt + water

Question 12

What is the reaction of a metal carbonate and acid?

Answer 12

Metal carbonate + acid ——–> salt + CO2 + water

Question 13

What are alkalis?

Answer 13

Water soluble base

Question 14

What are acids?

Answer 14

Proton donors- release H+ ions in aqueous solution