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Very pure dinitrogen can be obtained by the thermal decomposition of which substance?

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Important Questions on The p-Block Elements

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The gas produced by treating an aqueous solution of ammonium chloride with sodium nitrite is
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The compound that does not produce nitrogen gas by thermal decomposition is:
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Pure nitrogen gas is prepared in the laboratory by heating a mixture of _______
HARD
NH42Cr2O7 on heating liberates a gas. The same gas will be obtained by
HARD
In which of the following reactions there is no liberation of nitrogen gas
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On heating ammonium dichromate and barium azide separately, we get
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Identify the reactions in which N2 is liberated.

a NH42SO4+NaOH

b NH3+Cl2 (excess)

c NH42Cr2O7Δ

d NH4NO3Δ

e NH4Cl(aq)+NaNO2(aq)

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The compound(s) which generate(s) N2 gas upon thermal decomposition below 300oC is (are)
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Match the following:
 
a  Pure nitrogen i  Chlorine
b Haber process ii Sulphuric acid
c  Contact process iii Ammonia
d  Deacon’s process iv Sodium azide or Barium azide

Which of the following is the correct option?
EASY
Which one of the following processes does not produce dinitrogen?
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In the laboratory preparations of nitrogen, aqueous solutions of which compound is mixed with an aqueous solution of ammonium chloride and heated?
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Account for the following :
 N2, is less reactive at room temperature.
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On heating compound A gives a gas B which is constituent of air. This gas when treated with H2 in the presence of a catalyst gives another gas C which is basic in nature. A should not be :
EASY
Among the following compounds, the one which does NOT produce nitrogen gas upon heating is