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Which of the following statements about H2O2 is/are true?

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a
H2O2 is a linear molecule.
b
Concentrated H2O2 in water is generally expressed as 20 or 30 volumes of H2O2.
c
H2O2 is an oxidizing agent.
d
H2O2 is a reducing agent

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detailed solution

Correct option is B

The strength of a sample of hydrogen peroxide solution is expressed in terms of volume of oxygen at STP that one volume of hydrogen peroxide gives on heating. For example, '20 volumes of H2O2' means 1 litre of this solution liberates 20Lof O, at STP.Hydrogen peroxide acts both as an oxidizing and a reducing agent. As an oxidizing agent, H2O2 is converted to H2O and as a reducing agent it is converted to O2.

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