Which of the following statements is/are correct regarding -factor? — Redox Reactions and Volumetric Analysis Chemistry Question

💡 Solution & Explanation

**(B)** In reactions like $S_4O_6^{2-}$, average O.S. is fractional, and $n$-factor per atom can be fractional. <br>**(C)** $KMnO_4$ is the classic example showing $n$-factors of 1, 3, and 5 depending on pH. <br>**(A)** $n$-factor relates to electron transfer or acidity/basicity, not just valence.