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2H(2(g))+O(2(g))to2H(2)(O)((l)) This rea...

`2H_(2(g))+O_(2(g))to2H_(2)(O)_((l))` This reaction is ____ .

A

Redox

B

Decomposition

C

Oxidation

D

Reduction

Text Solution

Verified by Experts

The correct Answer is:
A

`therefore` Oxidation
In the reaction Oxidation number of .H. atom increases and at the same time - decreases of .O. atom.
`therefore` This is a redox reaction.
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Hydrogen peroxide can be prepared by successive reaction: 2NH_(4)HSO_(4) rarr H_(2)+(NH_(4))_(2)S_(2)O_(8) (NH_(4))_(2)S_(2)O_(8)+2H_(2)O rarr 2NH_(4)HSO_(4)+H_(2)O_(2) The first reaction is an electrolytic reaction the second is steam distillation. what amount ofcurrent would have to be used in first reaction to produce enough intermediate to yield 100g pure H_(2)O_(2) per hour ? Assume 50% anode current efficiency.

KUMAR PRAKASHAN-REDOX REACTIONS-SECTION-C (MULTIPLE CHOICE QUESTIONS)
  1. What is the Oxidation number of sulphur in Perdisulphuric acid ?

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  2. On keeping Ag rod in CuSO(4)

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  3. 2H(2(g))+O(2(g))to2H(2)(O)((l)) This reaction is .

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  4. In which of the following pair of compounds, oxidation number of P ato...

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  5. Antimony Sulphide (Sb(2)S(3)) reacts with sulphuric acid (H(2)SO(4)) t...

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  6. Match the oxidation number of 0-atoms of moles of compounds given in c...

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  7. 2KMnO(4)+16HCl to2MnCl(2)+2KCl+5Cl(2)+8H(2)O How many moles of HCl u...

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  8. What is the oxidation number of carbon in diamond ?

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  9. What is the name of TiO(2) according to stock notation nomenclature ?

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  10. How many electrons are required for the reduction of 1 mole of MnO(4)^...

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  11. The number of peroxy rings in CrO(5) is

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  12. In which of the following reactions H(2)O(2) does not act as a reducin...

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  13. When copper is treated with a certain concentration of nitric acid, ni...

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  14. Which of the following is a redox reaction ?

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  15. Without losing its concentration, ZnCl(2) solution cannot be kept in c...

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  16. When KMnO(4) acts as an oxidizing agent and ultimately forms MnO(4)^(-...

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  17. Excess of KI reacts with CuSO(4) solution if Na(2)S(2)O(3) solution is...

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  18. Which is the best description of the behavior of bromine in the reacti...

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  19. The oxidant which is used as an antiseptic is

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  20. What is the oxidising agent in chlorine water ?

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