A cell in which electric current is produced as a result of spontaneous redox reaction is called.

• Electrolytic cell A
• Galvanic cell B
• Half cell reaction C
• Down's cell D

The cathodic reaction in the electrolysis of dil H2SO4, with pt electrode sis.

• Reduction A
• Oxidation B
• Both oxidation and reduction C
• Neither oxidation nor reduction D

Which is not use of electrochemical series.

• Feasibility of reaction A
• Measurement of EMF of cell B
• Comparison of reactivity with water or acids C
• Determination of atomic and ionic radii D

• Fe is reduced A
• Fe is oxidized B
• CI₂is oxidized C
• None of these D

In silver oxide battery, anode is made of.

• Zinc A
• Copper B
• Lead C
• Graphite D

The reduction potential of Zn is.

• +0.76 V A
• -0.34 B B
• +0.34 V C
• -0.76 V D

In which compound oxidation state of chlorine is +5

• NaCl A
• HOCl B
• NaClO3 C
• NaClO2 D

When aqueous NaCl is electrolyzed, which of the following ions gas discharged at anode.

• Cl- A
• OH- B
• Na+ C
• H+ D

Standard hydrogen electrode has an arbitrarily fixed potential

• 0.00 volts A
• 1.00 volt B
• 0.10 volt C
• None of these D

In silver oxide battery, the cathode is mad up of.

• AgO A
• Ag2O B
• Ag2O3 C
• Ag D

What is the oxidation state of sulphur in SO3^2-

• -4 A
• -2 B
• +2 C
• +4 D

Electrode of the lead storage battery are immersed in dilute H2SO4 which has strength by mass

• 100% A
• 98% B
• 30% C
• 10% D

Electrolysis is a process in which a chemical reaction takes place at the expense of

• Chemical energy A
• Electrical energy B
• Heat energy C
• None of these D

In NICAD dry cell, the cathode and anode is made up of.

• Ca and Ag A
• Ni and CdO2 B
• NiO2 and Cd C
• Ag and Ag2O D

The cathodic reaction in the electrolysis of dil H2SO4 with Pt electrodes is.

• Reduction A
• Oxidation B
• Both oxidation or reduction C
• Neither oxidation nor raduction D

In H2SO4the oxidation number of 'S' is

• +2 A
• +6 B
• +8 C
• +4 D

Which statements not correct about Galvanic cell.

• Anode in negatively charge A
• Reduction occur at anode B
• Cathode is positively charged C
• Reduction occur at cathode D