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Byju's Answer
Standard XIII
Chemistry
Redox Reactions
Zn2+ aq + 2e ...
Question
Z
n
2
+
(
a
q
)
+
2
e
→
Z
n
(
s
)
. This is
A
Oxidation
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B
Reduction
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C
Redox reaction
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D
None of these
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Solution
The correct option is
B
Reduction
2
+
Z
n
e
q
+
2
e
−
→
0
Z
n
s
reduction
.
Suggest Corrections
0
Similar questions
Q.
Z
n
2
+
(
a
q
)
+
2
e
→
Z
n
(
s
)
. This is
Q.
The reaction :
Z
n
2
+
(
a
q
)
+
2
e
−
→
Z
n
(
s
)
has a electrode potential of
0.76
V
This means:
Q.
The reaction,
Z
n
2
+
(
a
q
)
+
2
e
−
→
Z
n
(
s
)
is:
Q.
The value of equilibrium constant
(
K
f
)
for the reaction:
Z
n
2
+
(
a
q
)
+
4
O
H
−
(
a
q
)
⇌
Z
n
(
O
H
)
2
−
4
(
a
q
)
is represented in scientific notation as
p
×
10
q
,
then q is:
Given :
Z
n
2
+
(
a
q
)
+
2
e
−
→
Z
n
(
s
)
;
E
0
=
−
0.76
V
Z
n
(
O
H
)
2
−
4
(
a
q
)
+
2
e
−
→
Z
n
(
s
)
+
4
O
H
−
(
a
q
)
;
E
0
=
−
1.36
V
2.303
R
T
F
=
0.06
Q.
Which of the following statement(s) is/are true?
Z
n
2
+
(
a
q
)
+
2
e
−
→
Z
n
(
s
)
;
E
0
=
−
0.76
V
C
u
2
+
(
a
q
)
+
2
e
−
→
C
u
(
s
)
;
E
0
=
0.34
V
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