JEE Main 20204 Sep, Morning shiftChemistryMediumSome Basic Concepts in Chemistry88× since 2002
A 20.0 mL solution containing 0.2 g impure
H₂O₂ reacts completely with 0.316 g of KMnO₄
in acid solution. The purity of H₂O₂ (in %) is
_____________
(mol. wt. of H₂O₂ = 34; mol. wt. of
KMnO₄ = 158)