F5 DEFINITIONS

Question 1

Redox reaction

Answer 1

chemical reaction where oxidation and reduction occurs simultaneously

Question 2

Standard electrode potential

Answer 2

potential difference produced when an equilibrium is established between metal M and the aqueous solution containing metal M+ ions in a half-cell

Question 3

Electrolyte

Answer 3

Substance that can conduct electricity in either molten state or aqueous state solution and undergo chemical changes

Question 4

Non-electrolyte

Answer 4

substance that cannot conduct electricity in all states

Question 5

Conductor

Answer 5

substance that conduct electricity in solid or molten state but do not undergo chemical changes

Question 6

Electrolysis

Answer 6

Process whereby compound in the molten state or an aqueous solution decompose into their constituent elements by passing electricity through them

Question 7

Corrosion of metal

Answer 7

redox reaction where the metal is oxidised spontaneously when atoms release electrons to form metal ions

Question 8

Carbon compound

Answer 8

compound that contain carbon as their constituent element

Question 9

Organic compound

Answer 9

compound that originates from living things that contain carbon element bonded covalently with other elements such as hydrogen, nitrogen, sulpur and phosphorus

Question 10

Inorganic compounds

Answer 10

compounds that orginates from non-living materials such as oxides of carbon, carbonate compounds and cyanide compounds

Question 11

Hydrocarbon

Answer 11

compound that consists of hydrogen and carbon only

Question 12

Non-hydrocarbon

Answer 12

compound that consists of carbon, hydrogen and other elements such as O, N, P or halogens