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BITSAT Chemistry Hydrogen 2024 BITSAT 2024 (Memory Based Paper 2)

BITSAT Chemistry Question (2024) — Solution

Question

In which of the following reactions of H _2 O _2 acts as an oxidising agent (either in acidic, alkaline or neutral medium)? (i) 2 Fe ^ 2+ + H _2 O _2 ^ (ii) 2 MnO _4^ - +6 H ^ + +5 H _2 O _2 (iii) I _2+ H _2 O _2+2 OH ^ - (iv) Mn ^ 2+ + H _2 O _2

Options

  1. A. (ii),(iii)
  2. B. (i), (iv)
  3. C. (i), (iii)
  4. D. (ii), (iv)

Answer

B. (i), (iv)

Step-by-step solution

Let us complete the reactions: In reactions, (i) and (i v) H _2 O _2, acts as oxidising agent and itself gets reduced to H _2 O ,

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