JEE Main 2026 Chemistry question
Consider the following redox reaction taking place in acidic medium BH_4^-(aq) + ClO_3^-(aq) \rightarrow H_2BO_3^-(aq) + Cl^-(aq) If the Nernst equation for the above balanced reaction is , Then the value of n is . (Nearest integer)
Answer: 24
Solution
Balanced equation: 3BH_4^- + 4ClO_3^- \rightarrow 4Cl^- + 3H_2BO_3^- + 3H_2O. n-factor , moles , so .