NEET Chemistry The s-Block Elements Questions Solved


Which of the following acts as an oxidizing as well as a reducing agent?

(A) Na2O                                     

(B) NaO3

(C) NaNO                                     

(D) NaNO2

(D)

     NaNO2 (sodium nitrite) acts both as an oxidizing agent and reducing agent because the nitrogen

     atom in it is in +3 oxidation state (+3 intermediate oxidation state for nitrogen)

     Oxidizing property : 2NaNO2+2Kl+2H2SO4NaSO4+K2SO4+2NO+2H2O+l2

     Reducing property : NaNO2+H2O2NaNO3+H2O.

Difficulty Level:

  • 39%
  • 16%
  • 13%
  • 35%
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