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
The correct choice among the given is -
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+ Cu2+ —-> Mg2+ + 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. B. Ecell C. D. G* |
1. S cm-1 2. m-1 3. S cm2 mol-1 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 |
Given below are two statements:
Assertion (A): | Cu is less reactive than hydrogen. |
Reason (R): | E°Cu2+/ Cu is negative. |
1. | Both (A) and (R) are true and (R) is the correct explanation of (A). |
2. | Both (A) and (R) are true but (R) is not the correct explanation of (A). |
3. | (A) is true but (R) is false. |
4. | (A) is false but (R) is true. |