Chemistry·MCQ Practice

Concept of Oxidation and Reduction — MCQ Practice

NEET UG

Version 1Updated 22 Mar 2026

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Test your knowledge. Click “Solve” to reveal options, select your answer, then check the result. 6 questions available.

Q1easy

Which of the following statements is INCORRECT regarding oxidation and reduction?

Q2medium

In the reaction $2H_2S(g) + SO_2(g) \rightarrow 3S(s) + 2H_2O(l)$ , identify the oxidizing agent and the reducing agent.

Q3medium

Which of the following reactions represents a disproportionation reaction?

Q4easy

What is the oxidation number of chromium in $K_2Cr_2O_7$ ?

Q5medium

In the reaction $MnO_4^- + 5Fe^{2+} + 8H^+ \rightarrow Mn^{2+} + 5Fe^{3+} + 4H_2O$ , which species is the oxidizing agent?

Q6easy

Which of the following elements always exhibits a +1 oxidation state in its compounds?