NEET Chemistry: Electrochemistry — MCQ Test 5

Q6. How many electrons are transferred in the reduction of 1 mole of \( NO_3^- \) to \( NH_4^+ \) in acidic medium?

Q7. A hydrogen electrode in a solution with \( P_{H_2} = 2 \, atm \) and \( [H^+] = 0.002 \, M \) operates at 298 K. What is its potential? (Given: \( E^\circ_{H^+/H_2} = 0.00 \, V \))

Q8. What is the emf of the cell \( Sn(s) | Sn^{2+}(0.002 \, M) || Pb^{2+}(0.02 \, M) | Pb(s) \) at 298 K? (Given: \( E^\circ_{Sn^{2+}/Sn} = -0.14 \, V \), \( E^\circ_{Pb^{2+}/Pb} = -0.13 \, V \))

Q9. In a dry cell, what is the approximate cell potential?

Q10. A cell \( Fe(s) | Fe^{2+}(0.02 \, M) || I_2(s) | I^-(0.1 \, M) | Pt(s) \) operates at 298 K. What is the cell potential? (Given: \( E^\circ_{Fe^{2+}/Fe} = -0.44 \, V \), \( E^\circ_{I_2/I^-} = 0.54 \, V \))

NEET Chemistry — Electrochemistry

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What is the potential of a hydrogen electrode in a solution with \( [H^+] = 10^{-5} \, M \) at 298 K? (Given: \( E^\circ_{H^+/H_2} = 0.00 \, V \))

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About this NEET MCQ Test

This page provides a free online MCQ test for NEET Chemistry preparation, focusing specifically on the chapter Electrochemistry. It contains 10 carefully selected multiple-choice questions (MCQs) designed to test your conceptual understanding and exam readiness.

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Key concepts covered in this specific test include Potential, Hydrogen, Electrode, Solution, Coulombs, and Required.

Taking these timed MCQ tests helps you simulate the real NEET exam environment. Detailed step-by-step explanations are provided for every question to help you learn from your mistakes and strengthen your fundamentals.

Preview of Questions in this Test

Q1. What is the potential of a hydrogen electrode in a solution with \( [H^+] = 10^{-5} \, M \) at 298 K? (Given: \( E^\circ_{H^+/H_2} = 0.00 \, V \))

  • A. 0.00 V
  • B. -0.118 V
  • C. -0.177 V
  • D. -0.295 V

Q2. How many coulombs are required to deposit 0.965 g of barium from a BaCl\(_2\) solution? (Atomic mass of Ba = 137 g/mol, F = 96500 C/mol)

  • A. 1358.24 C
  • B. 9650 C
  • C. 679.12 C
  • D. 19300 C

Q3. In a dry cell, the cathode reaction produces MnO(OH). If 0.87 g of MnO\(_2\) (atomic mass Mn = 55, O = 16) is reduced, how many coulombs are consumed? (F = 96500 C/mol)

  • A. 1930 C
  • B. 4825 C
  • C. 965 C
  • D. 2895 C

Q4. How many Faradays are required to reduce 1 mole of \( Cu^{2+} \) to \( Cu^+ \)?

  • A. 2 F
  • B. 3 F
  • C. 1 F
  • D. 0.5 F

Q5. What is the emf of a cell \( Fe(s) | Fe^{2+}(0.1 \, M) || H^+(0.001 \, M) | H_2(g)(1 \, bar) | Pt(s) \) at 298 K? (Given: \( E^\circ_{Fe^{2+}/Fe} = -0.44 \, V \), \( E^\circ_{H^+/H_2} = 0.00 \, V \))

  • A. 0.44 V
  • B. 0.5285 V
  • C. 0.40 V
  • D. 0.3515 V

+ 5 more questions in the actual test

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