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Byju's Answer
Standard XII
Chemistry
Van't Hoff Factor
Consider the ...
Question
Consider the following equations:
2
F
e
2
+
+
H
2
O
2
→
x
A
+
y
B
(in basic medium)
2
M
n
O
−
4
+
6
H
+
+
5
H
2
O
2
→
x
′
C
+
y
′
D
+
z
′
E
(in acidic medium)
The sum of the stoichiometric coefficients
x
,
y
,
x
′
,
y
′
and
z
′
for products
A
,
B
,
C
,
D
and
E
,
respectively
, is
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Solution
[
F
e
2
+
→
F
e
3
+
+
e
−
]
×
2
H
2
O
2
+
2
e
−
→
2
H
O
Θ
2
F
e
2
+
+
H
2
O
2
→
2
F
e
3
+
+
2
H
O
Θ
(
q
ω
)
x
=
2
y
=
2
[
8
H
+
+
M
n
O
−
4
+
5
e
−
→
M
n
2
+
+
4
H
2
O
]
×
2
[
H
2
O
2
→
O
2
(
g
)
+
2
H
+
+
2
e
−
]
×
5
⇒
16
H
+
+
2
M
n
O
−
4
+
5
H
2
O
2
→
2
M
n
2
+
+
8
H
2
O
+
5
O
2
(
g
)
+
10
H
+
⇒
6
H
+
+
2
M
n
O
−
4
+
5
H
2
O
2
→
2
M
n
2
+
+
8
H
2
O
+
50
2
(
g
)
So
x
′
=
2
y
′
=
8
z
′
=
5
So
x
+
y
+
x
′
+
y
′
+
z
′
=
2
+
2
+
2
+
8
+
5
=
19
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26
Similar questions
Q.
Consider the following redox reaction:
M
n
(
O
H
)
2
(
s
)
+
M
n
O
−
4
(
a
q
)
→
M
n
O
2
(
s
)
If
x
,
y
,
z
are the stoichiometric coefficients of
M
n
(
O
H
)
2
,
M
n
O
−
4
and
M
n
O
2
respectively when the above reaction is balanced in basic medium.
What will be the value of
x
+
y
+
z
?
Q.
Consider the following redox reaction:
M
n
(
O
H
)
2
(
s
)
+
M
n
O
−
4
(
a
q
)
→
M
n
O
2
(
s
)
If
x
,
y
,
z
are the stoichiometric coefficients of
M
n
(
O
H
)
2
,
M
n
O
−
4
and
M
n
O
2
respectively when the above reaction is balanced in basic medium.
What will be the value of
x
+
y
+
z
?
Q.
Mark the correct alternative in the following question:
If a and b are respectively the sum and product of coefficients of terms in the expression x
2
+ y
2
+ z
2
-
xy
-
yz
-
zx, then a + 2b =
(a) 0 (b) 2 (c)
-
2 (d)
-
1
Q.
Consider a redox reaction :
x
N
a
2
H
A
s
O
3
+
y
N
a
B
r
O
3
+
z
H
C
l
→
N
a
B
r
+
H
3
A
s
O
4
+
N
a
C
l
where
x
,
y
,
z
are the stoichiometric coefficients of
N
a
2
H
A
s
O
3
,
N
a
B
r
O
3
,
H
C
l
respectively.
The value of
x
+
y
+
z
in the above balanced redox reaction is :
Q.
For the redox reaction :
x
C
r
(
O
H
)
3
+
y
I
O
−
3
+
z
O
H
−
→
x
C
r
O
2
−
4
+
y
I
−
+
H
2
O
the sum of stoichiometric coefficient
x
+
y
+
z
is equal to:
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