NEET Chemistry Redox Reactions Questions Solved


In alkaline medium ClO2 oxidize H2O2 in O2 and reduced itself in Cl then how many mole of H2O2 will oxidize by one mole of ClO2 [Kerala CET 2005]

(1) 1.0

(2) 1.5

(3) 2.5

(4) 3.5

(3) ClO2Cl

ClO2+2H2O+5eCl+4OH

H2O2O2

H2O2+2OHO2+2H2O+2e

ClO2+2H2O+5eCl+4OH]×2

H2O2+2OHO2+2H2O+2e]×2

2ClO2+5H2O2+2OH2Cl+5O2+5H2O

2ClO25H2O2

ClO2=2.5H2O2

Difficulty Level:

  • 23%
  • 35%
  • 39%
  • 5%
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