NEET Chemistry: Electrochemistry — MCQ Test 9

Q6. In a lead storage battery during discharge, 0.1515 g of PbSO\(_4\) (molar mass 303 g/mol) is formed at the anode. How many coulombs are involved? (F = 96500 C/mol)

Q7. The molar conductivity of a 0.1 M KCl solution is 129 S cm\(^2\) mol\(^{-1}\). If the conductivity of the solution is 0.0129 S cm\(^{-1}\), what is the concentration used in the calculation?

Q8. What is the equilibrium constant for a cell reaction with \( E^\circ_{cell} = 0.118 \, V \) at 298 K involving 1 electron?

Q9. In a dry cell, what is the electrolyte paste made of?

Q10. What is the equilibrium constant for a cell reaction with \( E^\circ_{cell} = 0.295 \, V \) at 298 K involving 1 electron?

NEET Chemistry — Electrochemistry

Free MCQ Test 9 of 20

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1Question 1 of 10
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A dry cell delivers 0.25 A for 9650 s. How many grams of zinc are oxidized at the anode? (Atomic mass of Zn = 65 g/mol, F = 96500 C/mol)

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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 Delivers, Oxidized, Dissociation, Electrolyte, Potential, and Approximate.

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. A dry cell delivers 0.25 A for 9650 s. How many grams of zinc are oxidized at the anode? (Atomic mass of Zn = 65 g/mol, F = 96500 C/mol)

  • A. 0.8125 g
  • B. 1.625 g
  • C. 0.40625 g
  • D. 3.25 g

Q2. What is the degree of dissociation of a weak electrolyte with \( \Lambda_m = 46 \, S \, cm^2 \, mol^{-1} \) and \( \Lambda_m^\circ = 404 \, S \, cm^2 \, mol^{-1} \)?

  • A. 0.46
  • B. 0.404
  • C. 0.114
  • D. 1.14

Q3. What is the cell potential at 298 K for \( Cu(s) | Cu^{2+}(0.01 \, M) || Ag^+(0.1 \, M) | Ag(s) \)? (Given: \( E^\circ_{Cu^{2+}/Cu} = 0.34 \, V \), \( E^\circ_{Ag^+/Ag} = 0.80 \, V \))

  • A. 0.4895 V
  • B. 0.46 V
  • C. 0.43 V
  • D. 0.52 V

Q4. What is the approximate cell potential of a mercury cell?

  • A. 1.5 V
  • B. 1.1 V
  • C. 2.0 V
  • D. 1.35 V

Q5. A fuel cell produces 0.448 L of H\(_2\)O vapor (STP) at the cathode from O\(_2\). How many coulombs are involved? (F = 96500 C/mol)

  • A. 1930 C
  • B. 965 C
  • C. 5790 C
  • D. 3860 C

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