Match Column I with Column II for the given properties/applications mentioned therein.

Column I

Column II

A. H

1. Used in the name of perhydrol.

B. H2

2. Can be reduced to dihydrogen by NaH.

C. H2O

3. Can be used in hydroformylation of olefin.

D. H2O2

4. Can be used in cutting and welding

Codes

           A         B           C           D

1.       4          3           2           1

2.       1          2           3           4

3.       1          4           3           2

4.       4          1           3           2

Subtopic:  H2O2 (Hydrogen Peroxide) |
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Match the terms in Column I with the relevant item in Column II.

Column I

Column II

A. Atomic hydrogen

1. Atomic reactor

B. Lithium aluminum hydride is used as

2. Polar molecule

C. Hydrogen chloride is a

3. Recombines on metal surface to generate high temperature

D. Heavy water is used in

4. Reducing agent

Codes

          A          B          C           D        

 1.      3          1           2           4        

 2.      3          4           2           1       

 3.      1          4           3           2        

 4.      4          1           3           2        

Subtopic:  H2O2 (Hydrogen Peroxide) |
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Consider the reactions

(i) H2O2+2HII2+2H2O

(ii) HOCl+H2O2H3O++Cl-+O2

Which of the following statements is correct about H2O2 with reference to these reactions? Hydrogen peroxide is ______.

1.  an oxidising agent in both (i) and (ii)

2.  an oxidisng agent in (i) and reducing agent in (ii)

3.  a reducing agent in (i) and oxidising agent in (ii)

4.  a reducing agent in both (i) and (ii)

Subtopic:  H2O2 (Hydrogen Peroxide) |
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The oxide that gives H2O2 on treatment with dilute H2SO4 is

1. PbO2

2. BaO2.8H2O+O2

3. MnO2

4. TiO2

Subtopic:  H2O2 (Hydrogen Peroxide) |
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Which of the following equations depict the oxidising nature of H2O2?

1. 2MnO4-+6H++5H2O22Mn2++8H2O+5O2

2. 2Fe3++2H++H2O22Fe2++2H2O+O2

3. 2I-+2H++H2O2I2+2H2O

4. KIO4+H2O2KIO3+H2O+O2

Subtopic:  H2O2 (Hydrogen Peroxide) |
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Which of the following equation depicts reducing nature of H2O2?

1. 2[Fe(CN)6]4-+2H++H2O22[Fe(CN)6]3-+2H2O

2.  I2+H2O2+2OH-2I-+2H2O+O2

3.  Mn2++H2O2Mn4++2OH-

4.  PbS+4H2O2PbSO4+4H2O

Subtopic:  H2O2 (Hydrogen Peroxide) |
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Hydrogen peroxide is-

1. an oxidising agent

2. a reducing agent

3. both an oxidising and a reducing agent

4. neither oxidising nor reducing agent.

Subtopic:  H2O2 (Hydrogen Peroxide) |
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When sodium peroxide is treated with dilute sulphuric acid, we get _____.

1.  Sodium sulphate and water

2.  Sodium sulphate and oxygen

3.  Sodium sulphate, hydrogen and oxygen

4.  Sodium sulphate and hydrogen peroxide

Subtopic:  H2O2 (Hydrogen Peroxide) |
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