Chemistry - Concentration Terms Question with Solution | TestHub

ChemistryConcentration TermsConcentration termEasy2 minPYQ_2020
ChemistryEasysingle choice

How many grams ofKMnO4is required in order to prepare one litre normal solution ofKMnO4, if the solution is used in acidic medium for oxidation .
[Given: molecular weight of KMnO 4 =158 g/mol ]

Options:

Answer:
B
Solution:

In acidic medium oxidation state ofMnchanges from+7to+2, hence its gram equivalent weightE=M5=1585=31.6g. One litre normal solution required one gram quivalent of solute in one litre solution.

Stream:NTA_ABHYAS_NEETSubject:ChemistryTopic:Concentration TermsSubtopic:Concentration term
⏱ 2mℹ️ Source: PYQ_2020

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