Which of the following acts as a stabilizer in the decomposition of H2O2?
- Urea
- Alkali
- Glass
- Dust
The Correct Option is A
Solution and Explanation
Stabilization and Decomposition of Hydrogen Peroxide (H2O2):
Hydrogen peroxide (H2O2) decomposes readily in the presence of light, heat, and impurities like dust or alkali. Urea acts as a stabilizer for hydrogen peroxide by forming a complex that reduces the rate of decomposition.
Analysis of Options:
- Dust: Catalyzes the decomposition of H2O2.
- Urea: Stabilizes H2O2 and reduces its decomposition.
- Glass containers: Do not actively stabilize H2O2.
- Alkali: Increases the decomposition rate of H2O2.
Conclusion: The correct answer is option (2).
Top Questions on Hydrogen
For hydrogen-like species, which of the following graphs provides the most appropriate representation of \( E \) vs \( Z \) plot for a constant \( n \)?
[E : Energy of the stationary state, Z : atomic number, n = principal quantum number]Consider the following data:
- Heat of formation of \( CO_2(g) \) = -393.5 kJ mol\(^{-1}\)
- Heat of formation of \( H_2O(l) \) = -286.0 kJ mol\(^{-1}\)
- Heat of combustion of benzene = -3267.0 kJ mol\(^{-1}\)
The heat of formation of benzene is ……… kJ mol\(^{-1}\) (Nearest integer).Which of the following is/are correct with respect to the energy of atomic orbitals of a hydrogen atom?
(A) \( 1s<2s<2p<3d<4s \)
(B) \( 1s<2s = 2p<3s = 3p \)
(C) \( 1s<2s<2p<3s<3p \)
(D) \( 1s<2s<4s<3d \)
Choose the correct answer from the options given below:An ideal gas undergoes a cyclic transformation starting from point A and coming back to the same point by tracing the path A→B→C→D→A as shown in the three cases below.
Choose the correct option regarding \(\Delta U\):- The ratio of magnitude of potential energy and kinetic energy for \(5^{th}\) excited state of hydrogen atom is
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Let \( \alpha = \dfrac{-1 + i\sqrt{3}}{2} \) and \( \beta = \dfrac{-1 - i\sqrt{3}}{2} \), where \( i = \sqrt{-1} \). If
\[ (7 - 7\alpha + 9\beta)^{20} + (9 + 7\alpha - 7\beta)^{20} + (-7 + 9\alpha + 7\beta)^{20} + (14 + 7\alpha + 7\beta)^{20} = m^{10}, \] then the value of \( m \) is ___________.- JEE Main - 2026
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Concepts Used:
Hydrogen Peroxide
Hydrogen peroxide is a chemical element including hydrogen and oxygen. Anhydrous hydrogen peroxide is a colorless, sugary liquid that breaks down quickly into oxygen and water. The chemical formula for hydrogen peroxide [H2O2] is H—O—O—H, here, each dash represents a single covalent link. Especially, each bond has a pair of mutual electrons, one from each of the atoms at the bond’s ends. The polar bonds are H—O bonds, but this is not the polar one - O—O bonds.
Physical Properties:
- In its pure state, hydrogen peroxide is an entirely transparent colorless liquid with a nitric acid-like odor.
- The consistency of hydrogen peroxide is far better than that of water. It has a density of about 40% that of water.
Chemical Properties:
- It dissolves in water, which after getting mixed with water produces a homogenous solution.
- Naturally acidic in nature.
- The oxidizing agent H2O2 is quite powerful. As a derivative, it gives up one oxygen atom and forms water.