NEET Chemistry Hydrogen Questions Solved


Acidified solution of chromic acid on treatement with H2O2 yields :

(a) CrO3 + H2O + O2

(b) Cr2O2 + H2O + O2

(c) CrO5 + H2O + K2SO4

(d) H2Cr2O7 + H2O + O2

(c) K2Cr2O7 + H2SO4          K2SO4 + H2Cr2O7

     H2Cr2O7 + 4H2O2          2CrO5 + 5H2O

   chromic acid

CrO5 is blue peroxide of Cr 

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