Redox

Question 1

Redox reactions involve the transfer of..

Answer 1

Electrons between reactants

Question 2

Oxidation is the

Answer 2

Loss of electrons

Question 3

Reduction is the

Answer 3

Gain of electrons

Question 4

LEO

Answer 4

Loss of Electrons is Oxidation

Question 5

GER

Answer 5

Gain of Electrons is Reduction

Question 6

Half reactions

Answer 6

One half is oxidation and one half is reduction. Balance the number of electrons transferred

Question 7

Oxidation state

Answer 7

Measure of the degree of oxidation of an atom in a chemical species

Question 8

Neutral compound oxidation state

Answer 8

Sum of oxidation states of all atoms equal zero

Question 9

Oxidation state in ions sum is equal to..

Answer 9

The charge of the ion

Question 10

pE vs pH diagram

Answer 10

Predict stability of chemical species in aqueous solution under certain pH-pE conditions

Question 11

pE is

Answer 11

Redox potential

Question 12

What does SHE stand for

Answer 12

Standard hydrogen electrode

Question 13

What is SHE

Answer 13

The reference electrode for measuring redox potential.
Under STP, SHE = 0 volts

Question 14

Redox potential is measured in

Answer 14

Volts

Question 15

Valence # of O in H2SO4

Answer 15

2-

Question 16

Valence # of H

Answer 16

1+

Question 17

Valence # of Ca in CaCO3

Answer 17

2+

Question 18

Valence # of C in CaCO3

Answer 18

4+

Question 19

Valence # of S in SO2

Answer 19

4+