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Byju's Answer
Standard XII
Biology
Species of Bees and Their Products
The iodine co...
Question
The iodine containing species having maximum concentration, present in a 0.5 M KI solution contaning
1.5M
I
2
is
Open in App
Solution
K
I
/
I
2
=
0.5
/
1.5
=
0.33
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0
Similar questions
Q.
Iodine
(
I
2
)
and bromine
(
B
r
2
)
are added to a solution containing iodide
(
I
−
)
and bromide
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B
r
−
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ions. What reaction would occur if the concentration of each species is 1M? The electrode potentials for the reactions are:
(i)
I
2
+
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e
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I
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E
∘
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(ii)
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e
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→
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Q.
K
C
l
contains
52
%
of potassium,
K
I
contains
23.6
%
of potassium, and
I
C
l
contans
77.8
%
of iodine. What will be the ratio of K and I in
K
I
?
Q.
A saturated solution of iodine in water contains
0.33
g iodine/L. More than this can dissolve in a
K
I
solution because of the following equilibrium:
I
2
(
a
q
)
+
I
−
→
I
3
−
(
a
q
)
. A
0.1
M
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I
solution
(
0.1
M
I
−
)
actually dissolves
12.5
g of Iodine/L, most of which is converted to
I
−
3
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Assuming that the concentration of
I
2
in all saturated solutions is the same, calculate the equilibrium constant for the above reaction: (Mol. wt. of
I
=
258
g
m
o
l
−
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Q.
A saturated solution of iodine in water is
1.25
×
10
−
3
(M)
. In any saturated solution of
I
2
, concentration of
I
2
is
1.25
×
10
−
3
(M)
. In
1
L
of
0.1
(M)
solution of
I
−
, it is seen maximum
51.25
×
10
−
3
mole
of
I
2
can be dissolved. In the aqueous solution,
I
−
(
a
q
)
,
I
2
(
a
q
)
undergo complex formation,
What is the value of
K
C
?
Q.
A mixture containing
0.05
m
o
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e
of
K
2
C
r
2
O
7
and
0.02
m
o
l
e
of
K
M
n
O
4
was treated with excess of
K
I
in acidic medium. The liberated iodine required
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N
a
2
S
2
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solution for titration. Concentration of
N
a
2
S
2
O
3
solution was ?
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