| 1 |
That cell in which electrical energy is converted into chemical energy is called |
- A. Galvanic cell
- B. Electrolytic cell
- C. Fuel cell
- D. Daniel cell
|
| 2 |
The cathodic reaction in the electrolysis of dil H2SO4, with pt electrode sis. |
- A. Reduction
- B. Oxidation
- C. Both oxidation and reduction
- D. Neither oxidation nor reduction
|
| 3 |
Stronger the oxidizing agent, greater is the |
- A. oxidation potential
- B. Reduction potential
- C. Redox potential
- D. E.M.F of cell
|
| 4 |
In electrolysis of aqueous NaCl, Cl-ions are. |
- A. Oxidized at anode
- B. Oxidized at cathode
- C. Reduced at cathode
- D. Neither oxidized nor reduced
|
| 5 |
If the salt bridge is not used between two half cells, then the voltage. |
- A. Decrease rapidly
- B. Decrease slowly
- C. Drops to zero
- D. Does not change
|
| 6 |
The over all positive value for the reaction potential predicts that process is energetically. |
- A. Not feasible
- B. Feasible
- C. Impossible
- D. No indication
|
| 7 |
The gain of electron is known as. |
- A. Oxidation
- B. Reduction
- C. Dehydration
- D. Dehydrogenation
|
| 8 |
In which compound the oxidation number of Mw is +6 |
- A. KMnO4
- B. K2MnO4
- C. MnO2
- D. MnO
|
| 9 |
Oxidation number of phosphorus in the compound is. |
|
| 10 |
Standard hydrogen electrode has an arbitrarily fixed potential |
- A. 0.00 volts
- B. 1.00 volt
- C. 0.10 volt
- D. None of these
|