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Byju's Answer
Standard XII
Chemistry
Stoichiometric Calculations
One mole of ...
Question
One mole of
S
O
2
C
l
2
is dissolved in water and
C
a
(
O
H
)
2
is added to neutralise acidic solution. Number of moles of
C
a
(
O
H
)
2
required is :
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Solution
The balanced reactions are as follows:
S
O
2
C
l
2
+
2
H
2
O
⟶
H
2
S
O
4
+
2
H
C
l
H
2
S
O
4
+
C
a
(
O
H
)
2
⟶
C
a
S
O
4
+
2
H
2
O
2
H
C
l
+
C
a
(
O
H
)
2
⟶
C
a
C
l
2
+
2
H
2
O
Thus, total
C
a
(
O
H
)
2
required
=
2
mol
Hence,2 moles of
C
a
(
O
H
)
2
required.
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Similar questions
Q.
One mole of
S
O
2
C
l
2
is dissolved in water and
C
a
(
O
H
)
2
is added to neutralise acidic solution. Moles of
C
a
(
O
H
)
2
required:
Q.
One mole of
H
C
l
(
a
q
)
is neutralised by one mole of
N
a
O
H
(
a
q
)
. How many moles of
C
a
(
O
H
)
2
are required to neutralise
10
moles of
H
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l
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)
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Q.
Assertion :One mole of
S
O
2
C
l
2
in aqueous solution is neutralised by 3 moles of
N
a
O
H
. Reason: 3 moles of
H
+
are formed due to reaction with water.
Q.
Sulphuryl chloride
(
S
O
2
C
l
2
)
reacts with water to give a mixture of
H
2
S
O
4
and
H
C
l
. Number of moles of
N
a
O
H
required to neutralize the solution formed by adding
1
mol of
S
O
2
C
l
2
to excess water is:
Q.
If
x
moles of
M
n
O
−
4
is required to oxidise
1
mole of
F
e
(
H
C
2
O
4
)
2
in acidic medium and
y
moles of
C
a
(
O
H
)
2
is required to react with
1
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F
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