M2 C4 ACIDS & REDOX

Question 1

what is the Bronsted-Lowry definition of an acid

Answer 1

a proton (H+) donor

Question 2

what is the Bronsted-Lowry definition of a base

Answer 2

a proton (H+) accepter

Question 3

what is the formula of hydrochloric acid

Answer 3

HCl

Question 4

what is the formula of nitric acid

Answer 4

HNO3

Question 5

what is the formula of sulfuric acid

Answer 5

H2SO4

Question 6

what is the formula of ethanoic acid

Answer 6

CH3COOH

Question 7

what is the formula of phosphoric acid

Answer 7

H3PO4

Question 8

what is a strong acid

Answer 8

an H+ donor which fully dissociates in solution

Question 9

what is a weak acid

Answer 9

an H+ donor which does not fully dissociate in solution

Question 10

what is an alkali

Answer 10

a soluble base

Question 11

what do alkalis do in solution

Answer 11

release an OH-

Question 12

what is a strong alkali

Answer 12

a proton acceptor that fully dissociates in solution

Question 13

what is a weak alkali

Answer 13

a proton acceptor that partially dissociates in solution

Question 14

ACID + METAL HYDROXIDE

Answer 14

-> SALT + WATER

Question 15

ACID + METAL OXIDE

Answer 15

-> SALT + WATER

Question 16

ACID + METAL CARBONATE

Answer 16

-> SALT + WATER + CARBON DIOXIDE

Question 17

ACID + AMMONIA

Answer 17

-> AMMONIUM SALT (NH4+…)

Question 18

write the ionic equation of a neutralisation reaction

Answer 18

H+ + OH- -> H2O