Question:

Given below are two statements.
Statement I : Hydrogen peroxide can act as an oxidizing agent in both acidic and basic conditions.
Statement II : Density of hydrogen peroxide at 298 K is lower than that of \(D_2O\).
In the light of the above statements, choose the correct answer from the options given below :

Updated On: Sep 24, 2024
  • Both Statement I and Statement II are true
  • Both Statement I and Statement II are false
  • Statement I is true but Statement II is false
  • Statement I is false but Statement II is true
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The Correct Option is C

Solution and Explanation

Density of \(H_2O_2\) is more as compared to \(D_2O\)
\(dH_2O_2 = 1.44 \;g/cc\)
\(dD_2O = 1.106 \;g/cc\)
And hydrogen peroxide acts as an oxidising as well as reducing agent in both acidic and basic medium.
∴ Statement I is correct.

The correct answer is (C): Statement I is true but Statement II is false

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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.