JEE Main 2020ChemistryRedox ReactionsMediumNumerical

JEE Main 2020Redox Reactions Question with Solution

JEE Main 2020 (05 Sep Shift 2)

Question

The volume, in mL, of 0.02MK2Cr2O7, solution required to react with 0.288g of ferrous oxalate in acidic medium is (Molar mass of Fe=56gmol-1 )
 

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Show full solutionCorrect answer: 100
Correct answer
100

Step-by-step explanation

milliequivalent of  K2Cr2O7= milliequivalent of FeC2O4

Vm1×0.02×6=0.288144×3×1000
Vm1×0.02×6=2×6
Vm1=100ml

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About this question

This is a previous-year question from JEE Main 2020, covering the Redox Reactions chapter of Chemistry. PrepSharp catalogues every PYQ from JEE Main with a verified answer key and step-by-step solution prepared by IIT alumni — so you can search by chapter, topic or year and revise efficiently.