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Byju's Answer
Standard XII
Chemistry
Concentration Terms
Determine the...
Question
Determine the equivalent weight of
K
2
C
r
2
O
7
and
F
e
S
O
4
in the reaction.
K
2
C
r
2
O
7
+
7
H
2
S
O
4
+
6
F
e
S
O
4
→
C
r
2
(
S
O
4
)
3
+
K
2
S
O
4
+
3
F
e
2
(
S
O
4
)
3
+
7
H
2
O
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Solution
K
2
C
r
2
O
7
+
7
H
2
S
O
4
+
6
F
e
S
O
4
⟶
C
r
2
(
S
O
4
)
3
+
K
2
S
O
4
+
3
F
e
2
(
S
O
4
)
3
+
7
H
2
O
K
2
C
r
2
O
7
+
6
⟶
C
r
2
(
S
O
4
)
3
+
3
n
-factor=
3
×
2
=
6
2
F
e
S
O
4
+
2
⟶
F
e
2
(
S
O
4
)
3
+
3
n
-factor=
1
∴
Equivalent weight of
K
2
C
r
2
O
7
=
294
6
=
49
∴
Equivalent weight of
F
e
S
O
4
=
151.9
1
=
151.9
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Similar questions
Q.
Represent the following equation in ionic form.
K
2
C
r
2
O
7
+
7
H
2
S
O
4
+
6
F
e
S
O
4
→
3
F
e
2
(
S
O
4
)
3
+
C
r
2
(
S
O
4
)
3
+
7
H
2
O
+
K
2
S
O
4
.
Q.
Consider the following reaction:
6
F
e
S
O
4
+
K
2
C
r
2
O
7
+
7
H
2
S
O
4
→
3
F
e
2
(
S
O
4
)
3
+
C
r
2
(
S
O
4
)
3
+
K
2
S
O
4
+
7
H
2
O
. How many electrons are involved in the redox reaction?
Q.
Which of the following is correct representation of a given molecular equation in ionic form?
K
2
C
r
2
O
7
+
7
H
2
S
O
4
+
6
F
e
S
O
4
→
3
F
e
2
(
S
O
4
)
3
+
C
r
2
(
S
O
4
)
3
+
K
2
S
O
4
+
7
H
2
O
Q.
K
2
C
r
2
O
7
–
––––––––
–
+
7
H
2
S
O
4
+
6
F
e
S
O
4
⟶
K
2
S
O
4
+
C
r
2
(
S
O
4
)
3
+
3
F
e
2
(
S
O
4
)
3
+
7
H
2
O
The equivalent weight of the underlined species (by taking its molecular weight as
M
) is
:
Q.
The equivalent weight of
K
2
C
r
2
O
7
(molecular weight = 294 u) in the following reaction is:
K
2
C
r
2
O
7
+
6
K
I
+
7
H
2
S
O
4
→
C
r
2
(
S
O
4
)
3
+
3
I
2
+
4
K
2
S
O
4
+
7
H
2
O
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