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Byju's Answer
Standard XII
Chemistry
Equivalent Mass
The number of...
Question
The number of moles of
K
2
C
r
2
O
7
reduced by
3
mol of
S
n
2
+
ions is
:
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Solution
The redox changes are shown below:
6
e
−
+
C
r
2
O
2
−
7
⟶
2
C
r
3
+
S
n
2
+
⟶
S
n
4
+
+
2
e
−
Equivalent of
C
r
2
O
2
−
7
=
Equivalent of
S
n
2
+
⇒
1
Eq.
≡
1
Eq.
1
6
mol
≡
1
2
mol
1
mol of
C
r
2
O
2
−
7
=
3
mol of
S
n
2
+
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