JEE Main 202125 Jul, Morning shiftChemistryMediumSome Basic Concepts in Chemistry88× since 2002
When 10 mL of an aqueous solution of Fe²⁺ ions was titrated in the presence of dil H₂SO₄ using diphenylamine indicator, 15 mL of 0.02 M solution of K₂Cr₂O₇ was required to get the end point. The molarity of the solution containing Fe²⁺ ions is x 10^2 M. The value of x is __________. (Nearest integer)