| 1 |
What is the oxidation state of sulphur in SO3<sup>2-</sup> |
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| 2 |
The best reducing agent is |
- A. F<sup>-1</sup>
- B. CI<sup>-1</sup>
- C. Br<sup>-1 </sup>
- D. I<sup>-1</sup>
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| 3 |
In the reaction 2Fe+3Cl2 ------------ FeCl2 |
- A. Fe is reduced
- B. Fe is oxidized
- C. Cl2 is oxidized
- D. None of these happens
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| 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
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| 5 |
What is oxidation state of chlorine in Ca(ClO3)2 |
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| 6 |
In silver oxide battery, the cathode is mad up of. |
- A. AgO
- B. Ag2O
- C. Ag2O3
- D. Ag
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| 7 |
The over all positive value for the reaction potential predicts that process is energetically. |
- A. Not feasible
- B. Feasible
- C. Impossible
- D. No indication
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| 8 |
Electrolysis is a process in which a chemical reaction takes place at the expense of |
- A. Chemical energy
- B. Electrical energy
- C. Heat energy
- D. None of these
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| 9 |
The oxidation of O -atom in OF3 is. |
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| 10 |
In which compound the oxidation number of Mw is +6 |
- A. KMnO4
- B. K2MnO4
- C. MnO2
- D. MnO
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