| 1 |
Electrode of the lead storage battery are immersed in dilute H2SO4 which has strength by mass |
- A. 100%
- B. 98%
- C. 30%
- D. 10%
|
| 2 |
Standard hydrogen electrode has an arbitrarily fixed potential |
- A. 0.00 volts
- B. 1.00 volt
- C. 0.10 volt
- D. None of these
|
| 3 |
The cell in which a non spontaneous redox reaction takes place as a result of electricity is known as. |
- A. Voltaic cell
- B. Denial cell
- C. dry Cell
- D. Electrolytic cell
|
| 4 |
The over all positive value for the reaction potential predicts that process is energetically. |
- A. Not feasible
- B. Feasible
- C. Impossible
- D. No indication
|
| 5 |
The oxidation number of C in C12H22O11 is |
- A. Zero
- B. - 6
- C. + 6
- D. 12
|
| 6 |
What is the oxidation state of sulphur in SO3<sup>2-</sup> |
|
| 7 |
Electromotive force of the cell is the |
- A. Difference of two electrode potentials
- B. May be sum or the difference of two electrode potentials
- C. Sum of two electrode potential
- D. Depends upon the nature of the cell
|
| 8 |
Which has greater reduction potential |
|
| 9 |
Electrolysis is used for |
- A. Electroplating
- B. Refining of copper
- C. Manufacture of caustic soda
- D. All of the above
|
| 10 |
The cathodic reaction in the electrolysis of dill. H<sub>2</sub>SO<sub>4</sub>with Pt electrodes is |
- A. Reduction
- B. Oxidation
- C. Both oxidation and reduction
- D. Neither oxidation nor reduction
|