What will happen during the electrolysis of aqueous solution of CuSO4 in the presence of Cu electrodes?
(a) | Copper will deposit at cathode |
(b) | Copper will dissolve at anode |
(c) | Oxygen will be released at anode |
(d) | Copper will deposit at anode |
The correct choice among the given is -
1. | (a, b) | 2. | (b, c) |
3. | (c, d) | 4. | (a, d) |
The correct choice among the given regarding formula of Conductivity is -
(a)
(b)
(c)
(d)
1. (a, b)
2. (b, c)
3. (c, d)
4. (a, d)
Molar conductivity of ionic solution depends on
(a) | Temperature |
(b) | Distance between electrodes |
(c) | Concentration of electrolytes in solution |
(d) | Surface area of electrodes |
1. (a, b)
2. (b, c)
3. (c, d)
4. (a, c)
For the given cell, Mg | Mg2+ || Cu2+ | Cu
a. Mg acts as cathode
b. Cu acts as cathode
c. The cell reaction is \(Mg + Cu^{2+} \rightarrow Mg^{2+} + Cu\)
d. Cu is the oxidising agent
The correct choice among the given is -
1. | (a, b) | 2. | (b, c) |
3. | (c, d) | 4. | (a, d) |
Match the terms given in Column I with the units given in Column II.
Column I |
Column II |
||
A. | 1. |
S cm–1 |
|
B. | Ecell | 2. | m–1 |
C. | κ | 3. | S cm2 mol–1 |
D. | G* | 4. | V |
Codes:
Options: | A | B | C | D |
1. | 3 | 4 | 1 | 2 |
2. | 1 | 2 | 3 | 5 |
3. | 5 | 4 | 3 | 2 |
4. | 4 | 5 | 3 | 2 |
Match the terms given in Column I with the items given in Column II.
Column I |
Column II |
A. B. Eocell C. D. Gcell |
1. Intensive property 2. Depends on number of ions/volume 3. Extensive property 4. Increases with dilution |
Codes:
Options: | A | B | C | D |
1. | 2 | 3 | 4 | 1 |
2. | 1 | 2 | 3 | 5 |
3. | 5 | 4 | 3 | 2 |
4. | 4 | 1 | 2 | 3 |
Match the items of Column I and Column II.
Column I | Column II | ||
A | Lead storage battery | 1. | Maximum efficiency |
B | Mercury cell | 2. | Prevented by galvanization |
C | Fuel cell | 3. | Gives steady potential |
D | Rusting | 4. | Pb is an anode, PbO2 is cathode |
Codes:
Options: | A | B | C | D |
1. | 2 | 3 | 4 | 1 |
2. | 1 | 2 | 3 | 5 |
3. | 5 | 4 | 3 | 2 |
4. | 4 | 3 | 1 | 2 |
Match the items of Column I and Column II.
Column I |
Column II |
A. B. C. D. Q |
1. I x t 2. 3. 4. |
Codes:
Options: | A | B | C | D |
1. | 2 | 3 | 4 | 1 |
2. | 1 | 2 | 3 | 5 |
3. | 5 | 4 | 3 | 2 |
4. | 4 | 3 | 2 | 1 |
Match Column-I (Types of cell) with Column-II (Characteristics shown by cells) and mark the appropriate option:
Column I (Type of cell) |
Column II (Characteristics) |
||
A | Lechlanche cell | 1. | Cell reaction 2H2 +O2 → 2H2O |
B | Ni-Cd cell | 2. | Does not involve any ion in solution and is used in hearing aids. |
C | Fuel cell | 3. | Rechargeable |
D | Mercury cell | 4. | -Reaction at anode, Zn → Zn2+ + 2e- |
Codes:
Options: | A | B | C | D |
1. | 2 | 3 | 4 | 1 |
2. | 4 | 3 | 1 | 2 |
3. | 1 | 4 | 3 | 2 |
4. | 4 | 1 | 3 | 2 |
Match the items of Column I and Column II on the basis of data given below
Column I | Column II | ||
A | F2 | 1. | Metal is the strongest reducing agent |
B | Li | 2. | Metal ion which is the weakest oxidising agent |
C | Au3+ | 3. | Non-metal which is the best oxidising agent |
D | Br– | 4. | Unreactive metal |
E | Au | 5 | Anion that can be oxidised by Au3+ |
F | Li+ | 6 | Anion which is the weakest reducing agent |
G | F– | 7 | Metal ion which is an oxidising agent |
Options: | A | B | C | D | E | F | G |
1. | 3 | 1 | 7 | 5 | 4 | 2 | 6 |
2. | 1 | 2 | 3 | 5 | 7 | 4 | 6 |
3. | 5 | 4 | 3 | 2 | 6 | 5 | 1 |
4. | 4 | 5 | 3 | 2 | 1 | 6 | 7 |