Match List I with List II:
List-I (Cell): A. Leclanché cell B. Ni-Cd cell C. Fuel cell D. Mercury cell
List-II (Use/Property/Reaction): I. Converts energy of combustion into electrical energy II. Does not involve any ion in solution and is used in hearing aids III. Rechargeable IV. Reaction at anode Zn → Zn²⁺ + 2e⁻
Choose the correct answer from the options given below:
List-I (Cell): A. Leclanché cell B. Ni-Cd cell C. Fuel cell D. Mercury cell
List-II (Use/Property/Reaction): I. Converts energy of combustion into electrical energy II. Does not involve any ion in solution and is used in hearing aids III. Rechargeable IV. Reaction at anode Zn → Zn²⁺ + 2e⁻
Choose the correct answer from the options given below:
- (A)A-I, B-II, C-III, D-IV
- (B)A-III, B-I, C-IV, D-II
- (C)A-IV, B-III, C-I, D-II✓ Correct
- (D)A-II, B-III, C-IV, D-I
Answer: (C)
Solution
(A) Leclanché (dry) cell: anode reaction is — matches IV.
(B) Ni–Cd cell: a secondary (rechargeable) cell — matches III.
(C) Fuel cell (e.g. H–O): converts the energy of a combustion-type reaction directly into electrical energy — matches I.
(D) Mercury cell: uses a paste electrolyte with no ions in solution taking part in the overall reaction, giving a constant voltage suited to hearing aids — matches II.
Matching: A–IV, B–III, C–I, D–II.
(B) Ni–Cd cell: a secondary (rechargeable) cell — matches III.
(C) Fuel cell (e.g. H–O): converts the energy of a combustion-type reaction directly into electrical energy — matches I.
(D) Mercury cell: uses a paste electrolyte with no ions in solution taking part in the overall reaction, giving a constant voltage suited to hearing aids — matches II.
Matching: A–IV, B–III, C–I, D–II.
JEE Main · 2024 · 09 Apr 2024 · Shift 2 · Single correct option