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Redox Reactions question

2025 · 28 Jan · Shift 1 · Q18
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Redox Reactions question

2025 · 28 Jan · Shift 1 · Q18

JEE MainChemistryRedox ReactionsMCQ+4 / −1
Which of the following oxidation reactions are carried out by both K2Cr2O7\mathrm{K}_2 \mathrm{Cr}_2 \mathrm{O}_7K2​Cr2​O7​ and KMnO4\mathrm{KMnO}_4KMnO4​ in acidic medium? A. Γ−→I2\Gamma^{-} \rightarrow \mathrm{I}_2Γ−→I2​ B. S2−→S\mathrm{S}^{2-} \rightarrow \mathrm{S}S2−→S C. Fe2+→Fe3+\mathrm{Fe}^{2+} \rightarrow \mathrm{Fe}^{3+}Fe2+→Fe3+ D. I−→IO3−\mathrm{I}^{-} \rightarrow \mathrm{IO}_3^{-}I−→IO3−​ E. S2O32−→SO42−\mathrm{S}_2 \mathrm{O}_3{ }^{2-} \rightarrow \mathrm{SO}_4^{2-}S2​O3​2−→SO42−​ Choose the correct answer from the options given below :
  1. A
    A, B and C Only
  2. B
    C, D and E Only
  3. C
    B, C and D Only
  4. D
    A, D and E Only
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