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The brown fumes given off when trioxonitrate (V) acid is heated consist of ?

Chemistry
JAMB 1990

The brown fumes given off when trioxonitrate (V) acid is heated consist of ?

  • A. NO2 and O2
  • B. H2O and NO2
  • C. NO2' O2 and H2O
  • D. NO, NO2 and H2O
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Correct Answer: Option A
Explanation

decomposition of the acid by heat to produce reddish-brown gas (nitrogen (iv)) which then dissolve in the acid to impart the yellow colour.

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