Question

Assuming complete ionization, same moles of which of the following compounds will require the least amount of acidified ${KMnO4}$ for complete oxidation ?

• A. ${ FeC2O4}$
• B. ${ Fe(NO2)2 }$
• C. ${FeSO4 }$
• D. ${FeSO3 }$

Answer 1

Answer: (C)

${FeSO4 }$

Answer 2

${FeSO_4}$ will require the least amount of acidified ${KMnO_4}$ for complete oxidation.