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Byju's Answer
Standard X
Chemistry
Ideal Gas Equation
In the ionic ...
Question
In the ionic equation
2
K
+
+
B
r
O
3
−
+
12
H
+
+
10
e
−
→
B
r
2
+
6
H
2
O
+
2
K
the equivalent weight of
K
B
r
O
3
will be:
A
M
/
5
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B
M
/
3
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C
M
/
6
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D
M
/
4
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Solution
The correct option is
B
M
/
5
2
K
+
+
B
r
O
−
3
+
12
H
+
+
10
e
−
→
B
r
2
+
6
H
2
O
+
2
K
(
+
5
)
0
Since, it is a disproportionate reaction, so equivalent weight in this reaction is defined as the molar mass divided by n-factor.
n-factor is the number of electrons lost or gained.
So for above reaction,
n
−
f
a
c
t
o
r
=
5
As
1
mole of
B
r
2
is produced in the reaction,
So,
M
a
s
s
o
f
B
r
2
=
M
∴
E
q
u
i
v
a
l
e
n
t
w
e
i
g
h
t
=
M
5
Suggest Corrections
0
Similar questions
Q.
In the ionic equation
2
K
+
B
r
O
−
3
+
12
H
+
+
10
e
−
→
B
r
2
+
6
H
2
O
+
2
K
+
, the equivalent weight of
K
B
r
O
3
will be:(Where M
=
molecular weight of
K
B
r
O
3
)
Q.
What will be the value of the equivalent weight of
K
B
r
O
3
in the following ionic equation?
2
B
r
O
−
3
+
12
H
+
+
10
e
−
→
B
r
2
+
6
H
2
O
(Given: The molecular weight of
K
B
r
O
3
is
M
.)
Q.
For the half cell reaction,
2
B
r
O
−
3
+
12
H
+
+
10
e
→
B
r
2
+
6
H
2
O
the equivalent mass of sodium bromate is
Q.
Molecular weight of
K
B
r
O
3
is
M
. What is its equivalent weight. if the reaction is:
B
r
O
3
−
→
B
r
−
(
a
c
i
d
i
c
m
e
d
i
u
m
)
?
Q.
For the reactions,
B
r
2
+
O
H
−
→
B
r
−
+
B
r
O
−
3
+
H
2
O
what is the equivalent weight of
B
r
2
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