+1

+2

-1

-2

+2

-1

+4

-2

-3

+4

-2

+3

-2

+2

+6

+12

+2

+1

0

None of the above

-2

+2

+1

-1

+4

-4

+2

-2

Oxidation occurs at the cathode

Electricity is produced as the result of spontaneous exothermic chemical reactions

Reduction occurs at the cathode

Voltaic cells are also called galvanic cells

A

B

C

D

To complete the circuit

To allow flow of electrons between both cells

To allow flow of ions 

To connect both half cells

spontaneous, redox reactions

non-spontaneous, redox reactions

spontaneous, non-redox reactions

non-spontaneous, non-redox reactions

Ag⁺ + e^- →Ag

Ag → Ag⁺ + e^-

Ni²⁺ + 2e^- → Ni

Ni → Ni²⁺ + 2e^-

a cell that converts chemical energy into electrical energy 

a cell that converts electrical energy into electrical energy 

a cell that converts electrical energy into chemical energy 

A cell that converts kinetic energy into potential energy. 

A Galvanic/ Voltaic Cell

A Electrolytic Cell

Both Galvanic and Electrolytic cells

0

1

-1

depends on the compound

the number of e- lost always equals the number of e- gained

the number of e- lost is always more than the number of e- gained

the number of e- lost is always less than equals the number of e- gained

cannot tell

A

B

C

D