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KVPY2017Chemistryp Block Elements (Group 15, 16, 17 & 18)

Among the following compounds, the one which does NOT produce nitrogen gas upon heating is

Options

  1. A( NH ₄ )₂ Cr ₂ O ₇
  2. BNaN ₃
  3. CNH ₄ NO ₂
  4. D( NH ₄ )₂ ( C ₂ O ₄ )

Correct answer

D. ( NH ₄ )₂ ( C ₂ O ₄ )

Step-by-step solution

( NH ₄ )₂ Cr ₂ O ₇ N ₂+ Cr ₂ O ₃+ H ₂ O 2 NaN ₃ 2 Na +3 ~N ₂ NH ₄ NO ₂ N ₂+ H ₂ O ( NH ₄ )₂ C ₂ O ₄ 2 NH ₃+ H ₂ C ₂ O ₄

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