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Oxalic acid when heated with conc. H2 SO...

Oxalic acid when heated with `conc. H_2 SO_4` it gives out

A

`H_2 O` and `CO_2`

B

Oxalic sulphate

C

`CO_2` and `H_2 S`

D

`CO` and `CO_2`

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The correct Answer is:
D
.
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CENGAGE CHEMISTRY-P-BLOCK GROUP 16 ELEMENTS - THE OXYGEN FAMILY-Exercises Single Correct
  1. Conc. H2 SO4 is not a

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

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

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  4. In the following reaction, H2 SO4 acts as 2 Ag + H2 SO5 rarr Ag2 SO...

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

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

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  7. Hypo is used in photography because of its

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  8. In dry batteries the depolariser is

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

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

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  11. Moist iodine reacts with ozone to form.

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

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  13. The product A in the following reaction : 2KMnO4 rarr A + KMnO2 + O2...

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  14. The gases respectively absorbed by alkaline pyrogallon and oil of cinn...

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  15. Ordinary oxygen contains.

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  16. Anhydride of sulphuric acid is

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

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

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  20. SF6 is unreactive towards water because

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