Question
Given that E_ O _2 / H _2 O ^ =+1.23 ~V ; aligned & E_ S _2 O _8^ 2- / SO _4^ 2- ^ =2.05 ~V ; E_ Br _2 / Br ^ - ^ =+1.09 ~V \\ & E_ Au ^ 3+ / Au ^ =+1.4 ~V aligned The strongest oxidising agent is :
BITSAT
Chemistry
Electrochemistry
2023
BITSAT 2023 (Memory Based Paper 2)
BITSAT Chemistry Question (2023) — Solution
Options
- A. Au ^ 3+
- B. O _2
- C. S _2 O _8^ 2-
- D. Br _2
Answer
C. S _2 O _8^ 2-
Step-by-step solution
Reduction potential is maximum for S _2 O _8 ^ 2- therefore, it is the strongest oxidising agent amongst the given species.
Related: Chemistry — Electrochemistry · All PYQ Banks