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Byju's Answer
Standard XII
Chemistry
Stoichiometry
In which of t...
Question
In which of the following, displacement reaction is possible?
A
Solution of
A
g
N
O
3
+
Coin of copper
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B
Solution of
M
g
C
l
2
+
Coin of Aluminium
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C
Solution of
F
e
S
O
4
+
Coin of Silver
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D
Solution of
N
a
C
l
+ Coin of Copper
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Solution
The correct option is
A
Solution of
A
g
N
O
3
+
Coin of copper
2
A
g
N
O
3
(
a
q
)
+
C
u
(
s
)
→
C
u
(
N
O
3
)
2
(
a
q
)
+
2
A
g
(
s
)
Copper metal displaces silver from its salt solution. Copper is placed below silver in the electrochemical series.
Thus, copper can reduce
A
g
+
ion.
Hence, option
A
is correct.
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