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Byju's Answer
Standard XII
Chemistry
Equilibrium Constant from Nernst Equation
In the standa...
Question
In the standardization of
N
a
2
S
2
O
3
using
K
2
C
r
2
O
7
by iodometry, the equivalent weight of
K
2
C
r
2
O
7
is
A
(molecular weight)/2
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B
(molecular weight)/6
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C
(molecular weight) /3
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D
same as molecular weight.
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Solution
The correct option is
B
(molecular weight)/6
since
K
2
C
r
2
O
7
accepts 6 electrons for its reduction to
C
r
3
+
ions
∴
E
q
.
w
t
=
M
o
l
.
w
t
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Q.
In the standardization of
N
a
2
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using
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r
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by iodometry , the equivalent weight of
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is :
(Given : Molecular weight of
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In the standardisation of
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