Verified Solution • 2025–26 Session moderate

QPages 217-218: Q8: HC Verma: Concepts of Physics - Volume 2 Thermal and Chemical Effects of Electric Current Pages 217-218: Q8 Solution: Faraday constant __________.

⚠️ Common Exam Traps & Conceptual Pitfalls

Students often mistake the Faraday constant for a quantity that changes with the amount of electrolyte, current, or charge passed, mixing it up with Faraday’s laws of electrolysis. Remember that $F = N_A e$ is a universal constant (≈96 485 C mol⁻¹) and does not depend on any experimental conditions; only the total charge transferred ($Q = It$) varies with current and time.

Faraday constant __________.

Multiple Choice Options

  • A depends on the amount of the electrolyte
  • B depends on the current in the electrolyte
  • C is a universal constant
  • D depends on the amount of charge passed through the electrolyte

Step-by-Step Verified Solution

**Answer:** (c) is a universal constant. **Step-by-Step Explanation:** Faraday constant F = N_A e is a universal constant.

All Questions in this Chapter

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