- 1(current)
Q. No.When zinc rod is directly placed in copper sulphate solution:
1. The blue colour of the solution starts intensifying.
2. The solution remains electrically neutral.
3. The temperature of the solution falls.
4. The weight of the zinc rod starts increasing.
Subtopic: Oxidizing & Reducing Agents | Redox Titration & Type of Redox |
Level 3: 35%-60%
Hints
Which of the following equations represent(s) a redox reaction?
1. C only
2. A, B and C
3. A and C only
4. A and B only
| (A) | 4LiH + AlCl3 → 3LiCl + LiAlH4 |
| (B) | N2O3 + 3H2O → 2H3O+ + 2NO2- |
| (C) | NH4NO3 → 2H2O + N2O |
2. A, B and C
3. A and C only
4. A and B only
Subtopic: Redox Titration & Type of Redox |
59%
Level 3: 35%-60%
Please attempt this question first.
Hints
Please attempt this question first.
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The set of metals/metal ion that can show disproportionation reaction is:
| 1. | Cu+1, Na, Li | 2. |
Mg+2, F, Ne |
| 3. | P, Cl, S | 4. | Mn+3, Cu+, Ga+ |
Subtopic: Redox Titration & Type of Redox |
Level 3: 35%-60%
Hints
- 1(current)
Q. No.
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