- 1(current)
Q. No.The role of an electrolyte in the preparation of H2 by electrolytic method is:
| 1. | It lowers the availability of ions available in the process for the conduction of electricity. |
| 2. | It makes the ions available in the process for conduction of electricity. |
| 3. | It cools down the temperature. |
| 4. | None of the above |
Subtopic: Â Preparation & Properties |
 80%
Level 1: 80%+
Hints
The products obtained on the completion of the following reactions (i) and (ii) respectively are :
| i. | C3H8(g) + 3H2O(g) \(\xrightarrow[Catalyst]{\Delta}\) A |
| ii. | \(\mathrm{Zn}_{(s)}+\mathrm{NaOH}_{(\mathrm{aq})} \xrightarrow[]{Heat}\)B |
1. A = CO, and H2 ; B = Na2ZnO2
2. A = CO2 ; B = Na4ZnO4
3. A = CH3CH2CH2OH ; B= ZnO
4. None of the above
Subtopic: Â Preparation & Properties |
 77%
Level 2: 60%+
Hints
Links
The following reaction is an example of :
\(2 \mathrm{MnO}_4^{-}+6 \mathrm{H}^{+}+5 \mathrm{H}_2 \mathrm{O}_2 \rightarrow 2 \mathrm{Mn}^{2+}+8 \mathrm{H}_2 \mathrm{O}+5 \mathrm{O}_2\)
1. Hydrolysis reaction
2. Redox reaction
3. Disproportionation reaction
4. None of the above
Subtopic: Â Preparation & Properties |Â H2O2 (Hydrogen Peroxide) |
 67%
Level 2: 60%+
Hints
Links
- 1(current)
Q. No.
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