JEE Advanced · 2011 · 10 Apr 2011 · Paper 1 · p-Block Elements

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Extra pure can be obtained by heating
  1. (A) with CuO
  2. (B)
  3. (C)
  4. (D)✓ Correct

Answer: (D)

Solution

Barium azide decomposes on heating to give pure nitrogen gas:



This is a clean decomposition reaction that produces nitrogen without any nitrogen oxide impurities, making it suitable for obtaining extra pure .

JEE Advanced · 2011 · 10 Apr 2011 · Paper 1 · Single correct option

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