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Byju's Answer
Standard XII
Chemistry
Standard Electrode Potentials
Zn cannot dis...
Question
Z
n
cannot displace following ions from ions of which aqueous solution?
A
A
g
+
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B
C
u
+
+
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C
F
e
+
+
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D
N
a
+
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Solution
The correct option is
D
N
a
+
Among all given option only
N
a
+
has less reduction potential than Zn so it can not be reduced by Zn.
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Similar questions
Q.
Z
n
cannot displace following ions from their aqueous solution:
Q.
What is the number of pairs of ions which are coloured in aqueous solutions ?
(i)
T
i
3
+
,
V
3
+
(ii)
C
u
+
,
S
c
3
+
(iii)
F
e
2
+
,
F
e
3
+
(iv)
C
o
2
+
,
N
i
2
+
(v)
Z
n
2
+
,
A
g
+
Q.
Assertion :
C
u
+
ion is unstable in aqueous solution, whereas
F
e
2
+
ion is stable. Reason:
C
u
+
disproportionate in aqueous solution.
Q.
What is the number of pairs of ion which are coloured in aqueous solution?
(i)
T
i
3
+
,
V
3
+
(
i
i
)
C
u
+
,
S
c
3
+
(
i
i
i
)
F
e
2
+
,
F
e
3
+
(
i
v
)
C
o
2
+
,
N
i
2
+
(
v
)
Z
n
2
+
,
A
g
+
Q.
Which of the following displace
B
r
2
from an aqueous solution containing bromide ions?
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