How many moles of FeC204 are required to react completely with one
equivalent of K2Cr207 in acidic medium?
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Answer:
3 moles
Explanation:
2kmno↓4 + 5c↓2o↓4+16h→2Mn^2+2k+10Co↓2 +8h↓2o
kMno↓4 +5Fe^2+8H→k+5fe^3+Mn^2+4h↓2
From the above equations, it is observed that 3 moles of KMnO
4
will be needed to react completely with five moles of ferrous oxalate in acidic solution.
No. Of equivalents of KMnO
4
=no. Of equivalents of FeC
2
O
4
Equiv. Of KMnO
4
=n× no. Of moles=5×x.
Equivalents of FeC
2
O
4
=3×1=3
5x=3
x=3/5
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