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Byju's Answer
Standard IX
Chemistry
Double Displacement Reaction
complete the ...
Question
complete the following reactions:
A)Zn + H2 So4 =B)Fe + Cu So4 =
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Solution
The balanced reactions are given below:-
1) Zn + H
2
SO
4
------> ZnSO
4
+ H
2
2) Fe + CuSO
4
------> FeSO
4
+ Cu
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Similar questions
Q.
Complete the following reactions:-
(i)
C
u
+
H
N
O
3
(
d
i
l
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→
(ii)
X
e
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+
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s
F
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→
(iii)
C
a
F
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+
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2
S
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4
→
Q.
Balance the following equation by oxidation number method
i)
K
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r
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r
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+
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+
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ii)
K
M
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+
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S
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3
→
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S
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iii)
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+
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iv)
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n
O
4
+
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2
C
2
O
4
+
H
2
S
O
4
→
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S
O
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+
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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.
Balance the following reactions:
1.
C
u
+
H
2
S
O
4
−
→
C
u
S
O
4
+
S
O
2
↑
+
H
2
O
2.
F
e
+
+
H
2
O
−
→
F
e
3
O
4
+
H
2
↑
3.
C
H
4
+
O
2
→
C
O
2
+
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2
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Q.
Iron can liberate
H
2
from dil.
H
2
S
O
4
but copper cannot liberate
H
2
from dil.
H
2
S
O
4
.
Why?
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