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In the following reaction, H2 SO4 acts a...

In the following reaction, `H_2 SO_4` acts as
`HCOOH overset (H_2 SO_4) rarr CO + H_2 O`.

A

Dehydrating agent

B

Oxidising agent

C

Reducing agent

D

All

Text Solution

Verified by Experts

The correct Answer is:
A
Since `H_2 O` is lost, `H_2 SO_4` is acting as a dehydrating agent
`HCOOH overset (H_2 SO_4)rarr CO + H_2 O`.
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CENGAGE CHEMISTRY ENGLISH-P-BLOCK GROUP 16 ELEMENTS - THE OXYGEN FAMILY-Exercises Single Correct
  1. High density and low volatility of H2 SO4 is due to

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  2. Conc. H2 SO4 is not a

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  3. In the following reaction, H2 SO4 acts as HCOOH overset (H2 SO4) rar...

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  4. Oxalic acid when heated with conc. H2 SO4 it gives out

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  5. In the following reaction, H2 SO4 acts as 2 Ag + H2 SO4 rarr Ag2 SO...

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  6. A boy accidently splashes a few drops of conc. H2 SO4 on his cotton sh...

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  7. Various impurities present in contact process are sulphur or pyrite du...

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  8. Sodium thiosulphate is used in photography because of its:

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  9. In dry batteries the depolariser is

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  10. Caro's and Marshall'a acid does not react with

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  11. Sulphur dioxide is obtained by the action of dilute H2 SO4 on :

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  12. Moist iodine reacts with ozone to form.

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  13. The ratio of the gases obtained on dehydration of HCOOH and H2 C2 O4 b...

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  14. The product A in the following reaction is : 2KMnO4 rarr A + MnO2 + ...

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  15. The gases respectively absorbed by alkaline pyrogallol and oil of cinn...

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  16. Ordinary oxygen contains.

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  17. Anhydride of sulphuric acid is SO3.

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  18. Sulphuric acid is a dibasic acid in nature, hence it forms

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  19. When SO2 is passed through a solution of H2 S in water :

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  20. A considerable part of the harmful ultraviolet radiation of the sun do...

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