Moderate

Oxidation of NO in air produces:

Correct answer: B. N2O4

  • A. N2O
  • B. N2O4
  • C. N2O3
  • D. N2O5

Explanation

NO is oxidised by ozone in the atmosphere, on a time scale of tens of minutes, to give NO2. In rural air, away from sources of NO, most of the nitrogen oxides in the atmosphere are in the form of NO2.

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About s-Block and p-Block Elements

The s and p blocks are studied through their valence-shell configurations, periodic trends and characteristic chemical properties. Work covers the reactions of Group I and Group II elements, the behaviour of Group IV elements, and how atomic size, ionization energy, electronegativity and metallic character change across periods and down groups.

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