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AP EAMCET202124 Aug 2021Evening ShiftChemistryp Block Elements (Group 15, 16, 17 & 18)Actual

Which reaction(s) among the following produce dinitrogen?

Options

  1. A1 and 3
  2. B2 and 3
  3. C3 and 4
  4. D2 and 4

Correct answer

A. 1 and 3

Step-by-step solution

Barium azide [ Ba ( N ₃ )₂ ] on heating gives Ba and N ₂ . This reaction is a source of pure nitrogen. Ba ( N ₃ )₂ Ba +3 ~N ₂ Ammonium chloride on reaction with calcium hydroxide gives nitrogen as follows NH ₄ Cl + NaNO ₂ N ₂+2 H ₂ O + NaCl Both reactions are used for preparation of nitrogen.

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