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Byju's Answer
Standard IX
Chemistry
Double Displacement Reaction
Identify the ...
Question
Identify the type of reaction in the following example.
N
a
2
S
O
4
+
B
a
C
l
2
→
B
a
S
O
4
+
2
N
a
C
l
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Solution
N
a
2
S
O
4
+
B
a
C
l
2
⟶
B
a
S
O
4
↓
(
p
r
e
c
i
p
i
t
a
t
e
)
+
2
N
a
C
l
This reaction is called double decomposition reaction.
2
N
a
+
+
S
O
2
−
4
+
B
a
2
+
+
2
C
l
−
⟶
B
a
S
O
4
↓
+
N
a
+
+
C
l
−
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1
Similar questions
Q.
Calculate the number of electrons lost or gained during the changes:
B
a
C
l
2
+
N
a
2
S
O
4
→
B
a
S
O
4
+
2
N
a
C
l
Q.
Which one of the following reactions is a redox reaction?
(a)
C
u
S
O
4
+
4
N
H
3
→
C
u
(
N
H
3
)
4
]
S
O
4
(b)
N
a
2
S
O
4
+
B
a
C
l
2
→
B
a
S
O
4
+
2
N
a
C
l
(c)
S
O
2
+
H
2
O
→
H
2
S
O
3
(d)
2
C
u
S
O
4
+
4
K
I
→
C
u
2
I
2
+
2
K
2
S
O
4
+
I
2
.
Q.
(a) What is a displacement reaction?
(b) Identify A in the following reactions.
(i)
Z
n
+
C
u
S
O
4
→
A
+
C
u
(ii)
N
a
2
S
O
4
+
B
a
C
l
2
→
A
+
2
N
a
C
l
.
Q.
Which among the following is(are) double displacement reaction(s)?
(i)
P
b
+
C
u
C
l
2
→
P
b
C
l
2
+
C
u
(ii)
N
a
2
S
O
4
+
B
a
C
l
2
→
B
a
S
O
4
+
2
N
a
C
l
(iii)
C
+
O
2
→
C
O
2
(iv)
C
H
4
+
2
O
2
→
C
O
2
+
2
H
2
O
Q.
What weight of
B
a
C
l
2
(in grams) would react with
24.4
g
of sodium sulphate to produce
46.6
g
of barium sulphate and
23.4
g
of sodium chloride?
(Given,
B
a
C
l
2
+
N
a
2
S
O
4
→
B
a
S
O
4
+
2
N
a
C
l
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