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JEE Main Chemistry Electrochemistry 2026 JEE Main 2026 (28 January Shift 1)

JEE Main Chemistry Question (2026) — Solution

Question

Consider the following redox reaction taking place in acidic medium BH _ 4 ^ - (a q)+ ClO _ 3 ^ - (a q) H _ 2 BO _ 3 ^ - (a q)+ Cl ^ - (a q) If the Nernst equation for the above balanced reaction is E _ cell = E _ cell ^ - RT nF Q , then the value of n is \_\_\_\_. (Nearest integer)

Options

  1. A. A
  2. B. B
  3. C. C
  4. D. D

Answer

A. A

Step-by-step solution

3BH_4^- + 4ClO_3^- 4Cl^- + 3H_2BO_3^- + 3H_2O n-factor = 8 moles = 3 n = 3 8 = 24

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