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JEE Main 202529 JanuaryEvening Shift
Exam
JEE Main
Year
2025
Date
29 January
Shift
Evening Shift
Subject
Chemistry
Chapter
Electrochemistry

JEE Main 2025 · 29 January · Evening Shift · Chemistry · Electrochemistry

Match List - I with List - II : ( array llll & - I & - II &...

Match List - I with List - II : (\textList−I\textList−II Applications  Batteries / Cell  (A)  Transistors  (I)  Anode −Zn/Hg; Cathode −HgO+C (B)  Hearing aids  (II)  Hydrogen fuel cell  (C)  Invertors  (III) Anode −Zn; Cathode − Carbon  (D)  Apollo space ship  (IV) Anode −Pb; Cathode −Pb∣PbO2\begin{array}{llll} & \textList - I & \textList - II \\ & \text{ Applications } & \text{ Batteries } / \text{ Cell } \\ \text{ (A) } & \text{ Transistors } & \text{ (I) }\text{ Anode }-\mathrm{Zn} / \mathrm{Hg} \text{; Cathode }-\mathrm{HgO}+\mathrm{C} \\ \text{ (B) } & \text{ Hearing aids } & \text{ (II) }\text{ Hydrogen fuel cell } \\ \text{ (C) } & \text{ Invertors } & \text{ (III) Anode }-\mathrm{Zn} \text{; Cathode }-\text{ Carbon } \\ \text{ (D) } & \text{ Apollo space ship } & \text{ (IV) Anode }-\mathrm{Pb}\text{; Cathode }-\mathrm{Pb} \mid \mathrm{PbO}_2 \end{array} Choose the correct answer from the options given below :

Options

  1. A(A)-(III), (B)-(II), (C)-(IV), (D)-(I)
  2. B(A)-(II), (B)-(III), (C)-(IV), (D)-(I)
  3. C(A)-(III), (B)-(I), (C)-(IV), (D)-(II)
  4. D(A)-(IV), (B)-(III), (C)-(II), (D)-(I)

Correct answer

C. (A)-(III), (B)-(I), (C)-(IV), (D)-(II)

Step-by-step solution

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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