NEET Chemistry: Electrochemistry — MCQ Test 14

Q6. In a mercury cell, what is the product at the anode during discharge?

Q7. In a fuel cell using H\(_2\) and O\(_2\), what is the anode reaction?

Q8. A cell \( Ni(s) | Ni^{2+}(0.002 \, M) || Cl_2(g)(0.5 \, atm) | Cl^-(0.05 \, M) | Pt(s) \) operates at 298 K. What is the cell potential? (Given: \( E^\circ_{Ni^{2+}/Ni} = -0.25 \, V \), \( E^\circ_{Cl_2/Cl^-} = 1.36 \, V \))

Q9. In a lead storage battery, what is the cathode material?

Q10. What is the emf of the cell \( Co(s) | Co^{2+}(0.01 \, M) || Ag^+(0.001 \, M) | Ag(s) \) at 298 K? (Given: \( E^\circ_{Co^{2+}/Co} = -0.28 \, V \), \( E^\circ_{Ag^+/Ag} = 0.80 \, V \))

NEET Chemistry — Electrochemistry

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What is the potential of a hydrogen electrode in a solution with pH = 10 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, Electrolysis, and Electrodes.

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 pH = 10 at 298 K? (Given: \( E^\circ_{H^+/H_2} = 0.00 \, V \))

  • A. 0.00 V
  • B. -0.29 V
  • C. 0.59 V
  • D. -0.59 V

Q2. In the electrolysis of dilute H\(_2\)SO\(_4\) with Pt electrodes, what gas is liberated at the cathode?

  • A. O\(_2\)
  • B. SO\(_2\)
  • C. H\(_2\)S
  • D. H\(_2\)

Q3. In electrolysis of molten NaF, 0.23 g of Na (atomic mass 23 g/mol) is deposited. What volume of F\(_2\) gas (STP) is produced at the anode? (F = 96500 C/mol)

  • A. 0.224 L
  • B. 0.056 L
  • C. 0.448 L
  • D. 0.112 L

Q4. A hydrogen electrode operates at 298 K with \( P_{H_2} = 0.5 \, atm \) and pH = 3. What is its potential? (Given: \( E^\circ_{H^+/H_2} = 0.00 \, V \))

  • A. -0.177 V
  • B. -0.118 V
  • C. -0.295 V
  • D. -0.1564 V

Q5. A current of 0.2 A deposits 0.127 g of Cu from CuSO\(_4\) in 9650 s. What is the current required to deposit 0.27 g of Al from AlCl\(_3\) in the same time? (Atomic masses: Cu = 63.5 g/mol, Al = 27 g/mol, F = 96500 C/mol)

  • A. 0.3 A
  • B. 0.2 A
  • C. 0.4 A
  • D. 0.1 A

+ 5 more questions in the actual test

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