Number of moles of k2cr2o7 required to oxidize 12 moles of ethanol to acetic acid
Answers
Answered by
0
Answer:
1/3
Explanation:
Correct option is
A
1/3
The balanced chemical reactions (ionic reactions)for reduction of K
2
Cr
2
O
7
by Sn
2+
are:
Cr
2
O
7
2−
+14H
+
+6e
−
→2Cr
3+
+7H
2
O
(Sn
2+
→Sn
4+
+2e
−
)×3
Balanced Net reaction : 3Sn
2+
+Cr
2
O
7
2−
+14H
+
→3Sn
4+
+2Cr
3+
+7H
2
O
Thus according to the balanced reaction : 1 mole of Cr
2
O
7
2−
will be reduced by 3 moles of Sn
2+
Thus 1 mole of Sn
2+
will reduce =
3
1
moles ofCr
2
O
7
2−
Similar questions