Redox Electrons Transfer Reactions

Question 1

Redox Reaction

Answer 1

reactions involving reduction and oxidation occurring simultaneously

Question 2

OIL

Answer 2

Oxidation is loss

Question 3

RIG

Answer 3

Reduction is gain

Question 4

Oxidation

Answer 4

loss of electrons

Question 5

Reduction

Answer 5

gaining of electrons

Question 6

Oxidant

Answer 6

substance that gains electrons and undergoes reduction

Question 7

Reductant

Answer 7

substance that loses electrons and undergoes oxidation

Question 8

Oxidation Half Equation

Answer 8

has electrons on RHS

Question 8

Half Equation

Answer 8

balanced equations used to represent oxidation and reduction

Question 9

Reduction Half Equation

Answer 9

has electrons on LHS

Question 10

Oxidation Number

Answer 10

total number of electrons an atom either gains or loses

Question 11

Polyatomic Ion

Answer 11

ion made up of two or more different atoms

Question 12

KOHES

Answer 12

Redox Reaction Steps
1) balance key elements
2) balance oxygen with H20
3) balance hydrogen atoms with H+
4) balance charges with e- electrons
5) add states

Question 13

Displacement Reaction

Answer 13

reaction of exchange or displacement of atoms

Question 14

Anode

Answer 14

electrode where oxidation reaction occurs

Question 15

Cathode

Answer 15

electrode where reduction reaction occurs

Question 16

Oxidised

Answer 16

state of having lost electrons when a substance is oxidised

Question 17

Reduced

Answer 17

state of having gained electrons when a substance is reduced

Question 18

Oxidising and Reducing Agents

Answer 18

Oxidising is on top
Reducing is on bottom

Question 19

KNO3

Answer 19

most common salt used in salt bridge
K+ is used in cathode
NO3- is used in anode