Redox Reactions · Chemistry · NEET

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MCQ (Single Correct Answer)

NEET 2024
Which reaction is NOT a redox reaction?
NEET 2023 Manipur
The correct option for a redox couple is:
NEET 2023
On balancing the given redox reaction, $$\mathrm{aCr}_{2} \mathrm{O}_{7}^{2-}+\mathrm{bSO}_{3}^{2-}(\mathrm{aq})+\mathrm{cH}^{+}(\mathrm{aq}) \rightar...
NEET 2022 Phase 2
Which of the following reactions is a decomposition redox reaction?
NEET 2020 Phase 1
What is the change in oxidation number of carbon in the following reaction?CH4(g) + 4Cl2(g) $$ \to $$ CCl4(l) + 4HCl(g)...
NEET 2019
Which of the following reactions are disproportionation reaction? (a) 2Cu+ $$ \to $$ Cu2+ + Cu0 (b) 3MnO42+ + 4H+ $$ \to $$ 2MnO4- + MnO2 + 2H2O (c) ...
NEET 2018
For the redox reaction, MnO4– + C2O4 2– + H+ $$ \to $$ Mn2+ + CO2 + H2O The correct coefficients of the reactants for the balanced equation are...
NEET 2018
The correct order of N-compounds in its decreasing order of oxidation states is
NEET 2016 Phase 2
Hot concentrated sulphate acid is a moderately strong oxidizing agent. Which of the following reactions does not show oxidizing behaviour?
AIPMT 2014
The pair of compounds that can exist together is
AIPMT 2014
(I)   H2O2 + O3 $$ \to $$ H2O + 2O2 (II)   H2O2 + Ag2O $$ \to $$ 2Ag + H2O + O2 Role of Hydrogen peroxide in the above r...
AIPMT 2014
In acidic medium, H2O2 changes Cr2O72- to CrO5 which has two ($$-$$O$$-$$O$$-$$) bonds. Oxidation state of Cr in CrO5 is ...
AIPMT 2012 Prelims
When Cl2 gas reacts with hot and concentrated sodium hydroxide solution, the oxidation number of chlorine changes from
AIPMT 2012 Prelims
A mixture of potassium chlorate, oxalic acid and sulphuric acid is heated. During the reaction which element undergoes maximum change in the oxidation...
AIPMT 2009
Oxidation numbers of P in PO$$_4^{3 - }$$, of S in SO$$_4^{2 - }$$ and that of Cr in Cr2O$$_7^{2 - }$$ are respectively
AIPMT 2008
Number of moles of MnO$$_4^{ - }$$ required to oxidize one mole of ferrous oxalate completely in acidic medium will be
AIPMT 2004
Which is the best description of the behaviour of bromine in the reaction given below? H2O + Br2 $$ \to $$ HOBr + HBr
AIPMT 2003
The oxidation states of sulphur in the anions SO3$${_3^{2 - }}$$, S2O$${_4^{2 - }}$$ and S2O$${_6^{2 - }}$$ follow the order ...
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