2.1.4 Acids

Question 1

Acids

Answer 1

proton donors

Any substances which has the ability to produce an H= ion is capable of acting like an acid

Question 2

Alkali

Answer 2

a substance which releases OH- (hydroxide ions) in solution

Question 3

Base

Answer 3

a proton acceptor.
if a substance is capable of accepting a proton then it is capable of neutralising an acid or raising the pH of a solution

Question 4

how can we represent the reaction of an acid

Answer 4

by forming an ionic equation

Question 5

what defines a strong acid

Answer 5

its molecules fully dissociate

Question 6

what defines a weak acid

Answer 6

it only partially dissociates in water

Question 7

what is a salt

Answer 7

a salt is produced when the H+ ion of ion of an acid is replaced by a metal ion (or NH4+)

Question 8

what is produced when an acid reacts with a metal (s)

Answer 8

salt (aq) + hydrogen (g)

Question 9

what is produced when an acid reacts with an alkali (aq) OR metal oxide (s)

Answer 9

salt (aq) + water (l)

Question 10

what is produced when an acids reacts with a carbonate (aq or s)

Answer 10

salt (aq) + carbon dioxide (g) + water (l)

Question 11

what state symbol is given to group 1 carbonates

Answer 11

(aq)