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MCQMediumJEE Main 2025 · 28 January, Shift 1Oxidation Number & Redox Reactions

Chemistry Question from JEE Main 2025 · 28 January, Shift 1

Which of the following oxidation reactions are carried out by both K2Cr2O7K_2Cr_2O_7 and KMnO4KMnO_4 in acidic medium? A. I−→I2I^- \rightarrow I_2 B. S2−→SS^{2-} \rightarrow S C. Fe2+→Fe3+Fe^{2+} \rightarrow Fe^{3+} D. I−→IO3−I^- \rightarrow IO_3^- E. S2O32−→SO42−S_2O_3^{2-} \rightarrow SO_4^{2-} Choose the correct answer from the options given below:

  • A

    A, D and E Only

  • B

    A, B and C Only

  • C

    B, C and D Only

  • D

    C, D and E Only

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