Consider the following compounds : \(\underline{\mathrm{K}}\mathrm{O_2}\), \(\mathrm{H_2}\underline{\mathrm{O}}_2\) and \(\mathrm{H_2}\underline{\mathrm{S}}\mathrm{O_4}\).
The oxidation states of the underlined elements in them are, respectively,
Oxidation and reduction, oxidation number
Every question from past board papers on Oxidation and reduction, oxidation number, newest paper first. Open any question for its full worked answer.
NEET UG 2025 question paper (official, booklet 45)
Full paper →NEET UG 2024 question paper (official, booklet S6)
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Which reaction is NOT a redox reaction?
NEET UG 2021 question paper (official, booklet M4)
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Which of the following reactions is the metal displacement reaction ? Choose the right option.
NEET UG 2020 question paper (official, booklet E1)
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What is the change in oxidation number of carbon in the following reaction ?
CH\(_4\)(g) + 4Cl\(_2\)(g) \(\rightarrow\) CCl\(_4\)(l) + 4HCl(g)
NEET UG 2019 question paper (official, booklet P1)
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Which of the following reactions are disproportionation reaction ?
(a) \(2Cu^{+} \to Cu^{2+} + Cu^{0}\)
(b) \(3MnO_4^{2-} + 4H^{+} \to 2MnO_4^{-} + MnO_2 + 2H_2O\)
(c) \(2KMnO_4 \xrightarrow{\Delta} K_2MnO_4 + MnO_2 + O_2\)
(d) \(2MnO_4^{-} + 3Mn^{2+} + 2H_2O \to 5MnO_2 + 4H^{\oplus}\)
Select the correct option from the following :
NEET UG 2018 question paper (official, booklet EE)
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The correct order of N-compounds in its decreasing order of oxidation states is