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Byju's Answer
Standard XII
Chemistry
S Block Elements
Give a balanc...
Question
Give a balanced equation for preparation of HCI gas in the laboratory from sodium chloride.
A
N
a
C
l
+
H
2
S
O
4
→
N
a
2
S
O
4
+
H
2
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B
2
N
a
C
l
+
H
2
S
O
4
→
N
a
2
S
O
4
+
2
H
C
l
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C
N
a
C
l
+
2
H
2
S
O
4
→
N
a
2
S
O
4
+
C
l
2
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D
N
a
C
l
+
H
2
S
O
4
→
N
a
2
S
O
4
+
S
O
2
+
H
2
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Open in App
Solution
The correct option is
B
2
N
a
C
l
+
H
2
S
O
4
→
N
a
2
S
O
4
+
2
H
C
l
2
N
a
C
l
+
H
2
S
O
4
→
N
a
2
S
O
4
+
2
H
C
l
Suggest Corrections
0
Similar questions
Q.
Calculate the equivalent mass of
H
2
S
O
4
from the given reactions.
(
a
)
H
2
S
O
4
+
N
a
O
H
→
N
a
H
S
O
4
+
H
2
O
(
b
)
H
2
S
O
4
+
2
N
a
O
H
→
N
a
2
S
O
4
+
2
H
2
O
Q.
Calculate number of moles of
N
a
2
S
O
4
produced from 1 mole of
N
a
O
H
2
N
a
O
H
+
H
2
S
O
4
→
N
a
2
S
O
4
+
2
H
2
O
Q.
Balance the following equation by oxidation number method
i)
K
2
C
r
2
O
7
+
K
I
+
H
2
S
O
4
→
K
2
S
O
4
+
C
r
2
(
S
O
4
)
3
+
I
2
+
H
2
O
ii)
K
M
n
O
4
+
N
a
2
S
O
3
→
M
n
O
2
+
N
a
2
S
O
4
+
K
O
H
iii)
C
u
+
H
N
O
3
→
C
u
(
N
O
3
)
2
+
N
O
2
+
H
2
O
iv)
K
M
n
O
4
+
H
2
C
2
O
4
+
H
2
S
O
4
→
K
2
S
O
4
+
M
n
S
O
4
+
C
O
2
+
H
2
O
Q.
100
m
l
of
N
a
2
C
O
3
solution containing
5.3
g
of
N
a
2
C
O
3
was exactly neutralised by
200
m
l
of
H
2
S
O
4
solution. What is the pH of
H
2
S
O
4
?
(
l
o
g
5
=
0.6990
)
Q.
Product is solid precipitate for which of the reaction (Assume aqueous
reactants)?
i.
A
g
N
O
3
+
N
a
C
l
→
N
a
N
O
3
+
A
g
C
l
ii.
P
b
(
N
O
3
)
2
+
2
K
I
→
P
b
I
2
+
2
K
N
O
3
iii.
2
N
a
O
H
+
H
2
S
O
4
→
N
a
2
S
O
4
+
2
H
2
O
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