MHT CET · Chemistry · Redox Reactions
What is oxidation number of oxygen in super oxide?
- A \(\mathrm{MO}_2\)
- B 1
- C \(-\frac{1}{2}\)
- D \(\frac{1}{2}\)
Answer & Solution
Correct Answer
(C) \(-\frac{1}{2}\)
Step-by-step Solution
Detailed explanation
\(\begin{aligned} & \mathrm{MO}_2 \\ & +1+2 \mathrm{x}=0 \\ & \mathrm{x}=-\frac{1}{2}\end{aligned}\)
See the Complete Solution
Get step-by-step explanations for this and 2.5 Lakh+ more JEE, NEET & CET questions.
- Unlock all solutions
- Practice the full chapter
- Track accuracy across PYQs
4.8 rated on Google Play · 14,000+ reviews
More questions from Chemistry
- Which among the following elements is a soft element as compared to othersMHT CET 2020 Easy
- Identify ' B ' in the following sequence of reactions.
Acetic acid \(\xrightarrow[\Delta]{\text { Thionyl chloride }} \mathrm{A} \xrightarrow{\text { Ammonia }} \mathrm{B}\)MHT CET 2025 Easy - Which among the following is NOT a polar molecular solid?MHT CET 2020 Easy
- Consider galvanic cell,
\({ }^{\ominus} \mathrm{A}_{(\mathrm{s})}\left|\mathrm{A}_{(\mathrm{aq})}^{+2}\right|\left|\mathrm{B}_{(\mathrm{aq})}^{+}\right| \mathrm{B}_{(\mathrm{s})}^{\oplus}\)
if emf of cell is positive, identify a correct cell reaction from following.MHT CET 2025 Medium - What is the number of unpaired electrons in \(\mathrm{NO}\) molecule?MHT CET 2023 Easy
- Which of the following factors affect molarity of solution?MHT CET 2020 Easy
More PYQs from MHT CET
- The shortest distance between the line \(y-x=1\) and the curve \(x=y^2\) isMHT CET 2025 Hard
- During a process, system absorbs \(710 \mathrm{~J}\) of heat and increases the internal energy by \(460 \mathrm{~J}\). What is the work performed by system?MHT CET 2021 Medium
- The separate equations of the lines represented by the equation
\(3 x^{2}-2 \sqrt{3} x y-3 y^{2}=0\) areMHT CET 2020 Easy - Which among the following is a simple ketone?MHT CET 2023 Easy
- If \(e_{1}\) is the eccentricity of the ellipse \(\frac{x^{2}}{a^{2}}+\frac{y^{2}}{b^{2}}=1, a>b\) and \(e_{2}\) is the eccentricity
of the hyperbola \(\frac{x^{2}}{a^{2}}-\frac{y^{2}}{b^{2}}=1\), then \(e_{1}^{2}+e_{2}^{2}=\)MHT CET 2020 Easy - Carbohydrate molecules are characterized by any one of the following groups EXCEPT.MHT CET 2020 Hard