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Byju's Answer
Standard XII
Chemistry
Physical and Chemical Properties of Hydrogen
In the follow...
Question
In the following reaction,
O
18
is in what?
2
M
n
O
4
−
+
5
H
2
O
18
2
+
6
H
+
→
2
M
n
2
+
+
8
H
2
O
+
5
O
2
A
H
2
O
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B
O
2
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C
Both
(
A
)
and
(
B
)
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D
None of these
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Solution
The correct option is
B
O
2
2
M
n
O
−
4
+
5
H
2
O
18
2
+
6
H
+
⟶
2
M
n
2
+
+
8
H
2
O
+
5
O
2
In the following reaction
O
18
labelled isotope is in
O
2
.
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0
Similar questions
Q.
Classify the following reaction.
2
M
n
O
−
4
+
5
H
2
C
2
O
4
+
6
H
+
→
2
M
n
2
+
+
10
C
O
2
+
8
H
2
O
Q.
20
g sample of
H
2
O
2
is oxidized by
46.9
mL of
0.145
M
K
M
n
O
4
following the change:
2
M
n
O
−
4
+
5
H
2
O
2
+
6
H
+
⟶
2
M
n
2
+
+
5
O
2
+
8
H
2
O
The mass
%
of
H
2
O
2
in the sample is
:
Q.
A solution of
H
2
O
2
is titrated against a solution of
K
M
n
O
4
.
The reaction is,
2
M
n
O
4
−
+
5
H
2
O
2
+
6
H
+
→
2
M
n
2
+
+
5
O
2
+
8
H
2
O
.
If it requires
46.9
m
L
of
0.145
M
K
M
n
O
4
to oxidise
20
g
of
H
2
O
2
, the mass percentage of
H
2
O
2
in this solution is___________.
Q.
The oxidising agent in the following reaction is:
2
M
n
O
−
4
+
16
H
+
+
5
C
2
O
−
2
4
→
2
M
n
2
+
+
8
H
2
O
+
10
C
O
2
Q.
Write half-reactions using electrons.
2
M
n
O
−
4
+
5
C
2
O
2
−
4
+
16
H
+
⟶
10
C
O
2
+
2
M
n
2
+
+
8
H
2
O
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