Color of nitric acid is light yellow due to the presence of__________________?

Correct answer: C. NO2

  • A. NO
  • B. N2H5
  • C. NO2
  • D. NH3

Explanation

Nitric acid becomes light yellow when nitrogen dioxide dissolves in it or remains as a dissolved decomposition product. NO itself is colourless, so it does not produce the observed colour.

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