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Nitrogen can be purified from the impuri...

Nitrogen can be purified from the impurities of oxides of nitrogen and ammonia by passing through

A

conc. HCI

B

alkaline solution of pyrogallol

C

a solution of `K_2Cr_2O_7` acidified with `H_2SO_4 `

D

a solution of KOH

Text Solution

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The correct Answer is:
D
Preparation and purification of `N_2`
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MARVEL PUBLICATION-P-BLOCK ELEMENTS -TEST YOUR GRASP
  1. Nitrogen can be purified from the impurities of oxides of nitrogen and...

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  2. The element which forms oxides in all oxidation states +1 to +5 is.

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  3. With Nesslers reagent, ammonia gives brown precipitate due to formatio...

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  4. Oxide of nitrogen used as an oxidiser for rocket fuels in missiles and...

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  5. Oxide of nitrogen which acts as oxidising as well as reducing agent is

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  6. A group 16 element exists in monoatomic state in the metallic lattice....

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  7. What is the hybridization of S in SF6 ?

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  8. When dipped in conc. HNO3, metals like iron, chromium, nickel, alumini...

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  9. Laughing gas has chemical formula

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  10. A solution of colourless salt H on boiling with axcess NaOH produces a...

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  11. When chloride is passed over dry slaked lime at room temperature the m...

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  12. When I(2) is dissolved in C Cl(4), the colour that results is

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  13. Fluorine does not show positive oxidation states due to the absence of

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  14. The hybridisation of xenon in XeF2 is

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  15. An inert gas atoms

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  16. Argon is used in arc welding because of its

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  17. Nitrogen shows oxidation state +5, but it does not form pentahalide as

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  18. PCl3 fumes in moisture because

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  19. Which of the following statement is correct?

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  20. S-S bond is present in

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  21. The chemical formula of baryte, the salt of sulphur is

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