| 1 |
The voltage Nickel Cadmium cell is |
- A. 1 V
- B. 1.2 V
- C. 1.4 V
- D. 1.6 V
|
| 2 |
Which has greater reduction potential |
|
| 3 |
According to classical concept, oxidation involves |
- A. Addition of oxygen
- B. Addition of electron
- C. Removal of hydrogen
- D. All are correct
|
| 4 |
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
|
| 5 |
Oxidation number of carbon in NaHCO<sub>3</sub> |
|
| 6 |
In which compound oxidation state of chlorine is +5 |
- A. NaCl
- B. HOCl
- C. NaClO3
- D. NaClO2
|
| 7 |
Stronger the oxidizing agent greater is the |
- A. Oxidation potential
- B. Reduction potential
- C. Redox potential
- D. E.M.F of cell
|
| 8 |
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
|
| 9 |
In which compound the oxidation number of Mw is +6 |
- A. KMnO4
- B. K2MnO4
- C. MnO2
- D. MnO
|
| 10 |
In lead accumulator cathode is made up of. |
- A. Pb
- B. Pb coated with PbO2
- C. PbSO4
- D. Mixture of Pb and PbO2
|