0.3 g of an oxalate salt was dissolved in 100 mL solution. The solution required 90 mL of $N/20$ ${\rm{KMn}}{{\rm{O}}_4}$ for complete oxidation. The % of oxalate ion in salt is:

NEET UG CHEMISTRY MCQ: SOME BASIC CONCEPTS OF CHEMISTRY

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0.3 g of an oxalate salt was dissolved in 100 mL solution. The solution required 90 mL of

N/20

\mathrm{KMn}{\mathrm{O}_4}

for complete oxidation. The % of oxalate ion in salt is:

View answer and explanation

Correct option: B

66\%

Option B (

66\%

) is correct because the percentage of oxalate ion is calculated based on the stoichiometry of the reaction with potassium permanganate.