2022 12CHM U3T2 L13

The anode is where oxidation occurs in...

• A Galvanic Cell/ voltaic

• A Electrolytic Cell

• Both Galvanic and Electrolytic cells

In an electrolytic cell, the positive electrode is the

• anode, where oxidation occurs
• anode where reduction occurs
• cathode where oxidation occurs
• cathode where reduction occurs

What is an electrolytic cell? 

• 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. 

The reaction is non-spontaneous in ...

• A Galvanic/ Voltaic Cell

• A Electrolytic Cell

• Both Galvanic and Electrolytic cells

Calculate the cell potential of voltaic cell

• –1.51
• - 0.03
• +0.03
• +1.51

Voltaic cell is made by connecting two half-cells below. Which statement is correct?

• Mn is oxidized and voltage is 1.06 V
• Pb is oxidized and voltage is 1.06 V
• Mn is oxidized and voltage is 1.32 V
• Pb is oxidized and voltage is 1.32 V

Which represents reduction process occurring in standard hydrogen electrode?

• H_2(g) → 2H⁺_(aq) + 2e^–
• H⁺_(aq) + OH^–_(aq) → H₂O_(l)
• 2H⁺_(aq) + 2e^– → H_2(g)
• O_2(g) + 4H⁺_(aq) + 4e– → 2H₂O_(l)

What is the oxidation number of chlorine in HClO?

• 0

• -1

• +1

• +5

Determine the oxidation number of chromate in CrO₄^2-.

• +6

• 0

• +2

• +3