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Very pure nitrogen can be obtained by :...

Very pure nitrogen can be obtained by :

A

thermal decomposition of ammonium dichromate

B

treating aqueous solution of `NH_(4)ClandNaNO_(2)`

C

liquefaction and fractional distillation of liquid air

D

thermal decomposition of sodium azide

Text Solution

Verified by Experts

The correct Answer is:
D
Pure `N_(2)` is obtained by thermal decomposition of sodium azide
`underset("Sod.azide")(2NaN_(3))to2Na+N_(2)`
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PRADEEP-P-BLOCK ELEMENTS (NITROGEN FAMILY)-Competition focus jee(main and advanced)/ medical entrance special) (I. Multiple Choice Questions (with one correct answer)
  1. Extra pure N2 can be obtained by heating

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  2. The compound that does not produce nitrogen gas by the thermal decompo...

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  3. Very pure nitrogen can be obtained by :

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  4. Thermal decomposition of ammonium dichromate gives

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  5. The orange solid on heating gives a colourless gas and a greensolid wh...

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  6. An inorganic salt (A) is decomposed on heating to give two products (B...

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  7. When a brown compound of Mn (A) is teated with HCl, it gives a gas (B)...

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  8. The gases produced in the reaction, Pb(NO(3))(2)overset(Delta)toandNH(...

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  9. The reaction between NH(2)^(-) and N(2)O gives

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  10. Nitrogen dioxide is not produced on heating

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  11. A colourless gas X forms a brown coloured gas when mixed with air. The...

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  12. Which statement is wrong for NO ?

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  13. Which of the following properties is not shown by NO ?

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  14. A gaseous substance dissolve in water giving a pale blue solution whic...

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  15. The correct order of the acidic nature of oxides is in the order

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  16. Which oxide of nitrogen is not a common pollutant introduced into the ...

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  17. Nitric acid can be obtained from ammonia via the formation of intermed...

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  18. Concentrated nitric acid upon long standing turns yellowish-brown due ...

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  19. The reaction of zinc with dilute and concentrated nitric acid, respect...

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  20. When copper is heated with conc.HNO(3) it produces

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