Practice question
Question
The number of moles of Fe^{2+ oxidized by 1 mole of K₂Cr₂O₇ in acidic medium is:
Explanation
Cr₂O₇^{2- + 14H^+ + 6Fe^{2+ -> 2Cr^{3+ + 6Fe^{3+ + 7H₂O . 1 mole K₂Cr₂O₇ oxidizes 6 moles Fe^{2+ . This follows from NCERT principle where the relation explains the outcome clearly for students in simple steps.
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