Structure and Chemical Properties of Hydrogen Peroxide

IMPORTANT

Structure and Chemical Properties of Hydrogen Peroxide: Overview

This topic covers concepts, such as, Structure of Hydrogen Peroxide, Storage of Hydrogen Peroxide, Reducing Action of Hydrogen Peroxide in Acidic Medium & Reducing Action of Hydrogen Peroxide in Basic Medium etc.

Important Questions on Structure and Chemical Properties of Hydrogen Peroxide

MEDIUM
IMPORTANT

Which of the following is the true structure of H2O2 ?

MEDIUM
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When   H 2 O 2 is oxidised, the product is

EASY
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Hydrogen peroxide is stored in glass or plastic vessels lined with a paste of dust.

EASY
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The volume strength (in L ) of 3N H2O2 is approximately______.

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Which of the following property of hydrogen peroxide make it to use in food products?

EASY
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From the following statements, choose the incorrect statement regarding H2O2.

MEDIUM
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Dihydrogen forms two different compounds with oxygen. One of the compound A is the most stable while the another compound B is highly unstable and slowly decomposes to from A along with a colourless gas C. The B decolourises acidic solution of KMnO4, whereas, A does not show any such reaction. A, B and C, respectively are

MEDIUM
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H2O2 restores the colour of old lead paintings, blackened by the action of H2S gas by 

HARD
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Moist hydrogen peroxide cannot be dried over conc. H2SO4, because

MEDIUM
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H2O2 restores the colour of old lead paintings, blackened by the action of H2S gas by 

EASY
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In which of the following reactions H2O2 is a reducing agent-

MEDIUM
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Hydrogen peroxide reacts with lead sulphide to produce lead sulphate. Identify the other product formed:

MEDIUM
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In which of the following reactions of H2O2 acts as an oxidizing agent (either in acidic, alkaline or neutral media)?
i. 2Fe2++H2O2
ii. 2MnO4-+6H++5H2O2
iii. I2+H2O2+2OH-
iv. Mn2++H2O2

EASY
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A commercial sample of H2O2 marked as 100 volume of hydrogen peroxide, which means

HARD
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How many of the following properties are exhibited by H2O2 ?

(i) oxidiser in alkaline medium

(ii) Bleaching action

(iii) It decomposes in presence of sunlight

(iv) oxidiser in acidic medium

(v) Reducer in acidic medium

(vi) contains polar bonds

(vii) Reducer in alkaline medium

(viii) Non-planar molecule

(ix) presence of intermolecular Hydrogen bonds in its liquid.

MEDIUM
IMPORTANT

Which of the following equation depict the reducing nature of H2O2?

EASY
IMPORTANT

When hydrogen peroxide reacts with ozone, the role of hydrogen peroxide in the reaction is