NEET Chemistry Redox Reactions Questions Solved


Which combination is odd with respect to oxidation numbers of S, Cr, N and H respectively:\

(a) H2SO5, H2S2O8, H2SO4, SF6

(b) K2Cr2O7, K2CrO4, CrO5, CrO2Cl2

(c) NH3 , NH4, N3H, NO2-   

(d) CaH2 , NaH , LiH, MgH2

(c) N in  NH3 , NH4, N3H and  NO2-  has -3, -3, -1/3 and +3 oxidation number respectively.

Difficulty Level:

  • 25%
  • 21%
  • 41%
  • 16%
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