AP EAMCET · Chemistry · Hydrogen
In which of the following reactions of \(\mathrm{H}_2 \mathrm{O}_2\) acts as an oxidising agent (either in acidic, alkaline or neutral medium)?
(i) \(2 \mathrm{Fe}^{2+}+\mathrm{H}_2 \mathrm{O}_2 \rightarrow\)
(ii) \(2 \mathrm{MnO}_4^{-}+6 \mathrm{H}^{+}+5 \mathrm{H}_2 \mathrm{O}_2 \rightarrow\)
(iii) \(\mathrm{I}_2+\mathrm{H}_2 \mathrm{O}_2+2 \mathrm{OH}^{-} \rightarrow\)
(iv) \(\mathrm{Mn}^{2+}+\mathrm{H}_2 \mathrm{O}_2 \rightarrow\)
- A (ii), (iii)
- B (i), (iv)
- C (i), (iii)
- D (ii), (iv)
Answer & Solution
Correct Answer
(B) (i), (iv)
Step-by-step Solution
Detailed explanation
Let us complete the reactions : (i) \(\mathrm{Fe}^{2+}+\mathrm{H}_2 \mathrm{O}_2^{-} \longrightarrow \mathrm{Fe}^{3+}+\mathrm{H}_2 \mathrm{O}^{2-}\) (ii)…
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