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Byju's Answer
Standard XII
Chemistry
Stoichiometric Calculations
KI +I2HNO3 → ...
Question
K
I
+
I
2
H
N
O
3
→
H
I
O
3
+
K
I
O
3
+
N
O
2
If 3 moles of KI and 2 moles of
I
2
are mixed with excess
H
N
O
3
, then volume of
N
O
2
gas evolved at NTP is:
A
716.8 litre
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B
1075.2 litre
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C
44.8 litre
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D
67.2 litre
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Solution
The correct option is
B
44.8 litre
according to the equation,
1 mole of
K
I
is reacting with 1 mole of
I
2
so, for 2 mole of
I
2
we require 2 mole of KI
so,
I
2
is the limiting reagent
1 mole of
I
2
is producing 1 mole of
N
O
2
so, 2 mole of
I
2
produce 2 moles of
N
O
2
1 mole of gas at NTP = 22.4 L
so, volume of 2 mole of
N
O
2
=
2
∗
22.4
=
44.8
L
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0
Similar questions
Q.
2
K
I
+
I
2
+
22
H
N
O
3
→
2
H
I
O
3
+
2
K
I
O
3
+
22
N
O
2
If 3 mole of
K
l
& 2 moles
I
2
, are reacted with excess of
H
N
O
3
.
What is the volume of
N
O
2
gas evolved at NTP?
Q.
If
x
moles of
K
I
are oxidised by number of moles of
K
I
O
3
formed when 1 mole of
I
2
is boiled with excess of
K
O
H
, then what is the value of
1
x
?
6
K
O
H
+
4
I
2
⟶
5
K
I
+
K
I
O
3
+
3
H
2
O
K
I
+
K
I
O
3
H
+
−
−
→
I
2
+
H
2
O
Q.
0.1 M solution of
K
I
reacts with excess of
H
2
S
O
4
and
K
I
O
3
solutions, according to the equation
5
I
−
+
I
O
−
3
+
6
H
+
→
3
I
2
+
3
H
2
O
which of the following statements is/are correct
Q.
0.1
M
solution of KI reacts with excess of
H
2
S
O
4
and
K
I
O
3
solutions acccording to equation
5
I
−
+
I
O
−
3
+
6
H
+
→
3
I
2
+
3
H
2
O
which of the following statement is correct?
Q.
One mole of acidfied potassium dichromate on reaction with excess
K
I
will liberate ………….. mole(s) of
I
2
.
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