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JEE Main202529 Jan 2025Evening ShiftChemistryElectrochemistryActual

Match List - I with List - II : ( array llll & List - I & List - 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 PbO ₂ 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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