JEE Mains · Chemistry · STD 12 - 2. Electrochemistry
Match List - I with List - II :
| List - I (Applications) | List - II (Batteries / Cell) |
| (A) Transistors | (I) Anode \(-\text{Zn} / \text{Hg};\) Cathode \(- \text{HgO} +\text C\) |
| (B) Hearing aids | (II) Hydrogen fuel cell |
| (C) Invertors | (III) Anode \(-\text{Zn};\) Cathode \(-\) Carbon |
| (D) Apollo space ship | (IV) Anode \(-\text{Pb};\) Cathode \(- \text{Pb} \mid \text{PbO} _2\) |
- A (A)-(III), (B)-(II), (C)-(IV), (D)-(I)
- B (A)-(II), (B)-(III), (C)-(IV), (D)-(I)
- C (A)-(III), (B)-(I), (C)-(IV), (D)-(II)
- D (A)-(IV), (B)-(III), (C)-(II), (D)-(I)
Answer & Solution
Correct Answer
(C) (A)-(III), (B)-(I), (C)-(IV), (D)-(II)
Step-by-step Solution
Detailed explanation
In transistor, anode is Zn and cathode is carbon. In hearing, aids mercury battery are used. In invertors, lead storage battery is used. In apollo space ship, hydrogen fuel cell was used.
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