Question:medium

The oxidation number of oxygen in peroxides is __.

Show Hint

The oxidation number of oxygen in peroxides is -1, which is a special case. This is in contrast to oxygen's usual oxidation state of -2 in most other compounds.

Updated On: Nov 26, 2025

-1
-2
+1
0

Top Questions on Oxidation Number

In the reaction \( \text{Zn} + 2\text{Ag}^+ \rightarrow \text{Zn}^{2+} + 2\text{Ag} \), what is the oxidation state of zinc in \( \text{Zn} \) and \( \text{Zn}^{2+} \)?
- MHT CET - 2025
- Chemistry
- Oxidation Number
View Solution
What is the oxidation state of sulfur in \( \text{H}_2\text{SO}_4 \)?
- MHT CET - 2025
- Chemistry
- Oxidation Number
View Solution
What is the oxidation number of sulfur in sulfuric acid (H$_2$SO$_4$)?
- MHT CET - 2025
- Chemistry
- Oxidation Number
View Solution
What is the oxidation state of sulfur in \( \text{H}_2\text{SO}_4 \)?
- VITEEE - 2025
- Chemistry
- Oxidation Number
View Solution
Want to practice more? Try solving extra ecology questions todayView All Questions

Questions Asked in MHT CET exam

Which of the following has the lowest boiling point?

MHT CET - 2025
intermolecular forces

Which of the following elements has the most electronegativity: Li, Na, K, or Rb?

MHT CET - 2025
Electronegativity

Total pressure of the solution is 500, the partial pressure of component A is 400, and the partial pressure of component B is 575. What is the mole fraction of component B?

MHT CET - 2025
Mole concept and Molar Masses

What is the number of unpaired electrons in Lutetium (Lu) in the +3 oxidation state?

MHT CET - 2025
Oxidation Number And Oxidation States