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Byju's Answer
Standard XII
Chemistry
Ion Electron Method
For the react...
Question
For the reaction,
P
b
S
+
4
H
2
O
2
⟶
P
b
S
O
4
+
4
H
2
O
Which statement(s) is/are correct about the equivalent mass of respective species?
[
M
represents molar mass.]
A
E
P
b
S
=
M
8
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B
E
H
2
O
2
=
M
2
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C
E
P
b
S
O
4
=
M
2
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D
E
P
b
S
O
4
=
M
8
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Solution
The correct options are
A
E
P
b
S
=
M
8
B
E
H
2
O
2
=
M
2
D
E
P
b
S
O
4
=
M
8
P
b
S
+
4
H
2
O
2
→
P
b
S
O
4
+
4
H
2
O
+2 -2 +1 -1 +2 +6 -2 +1 -2
P
b
S
+
4
H
2
O
→
P
b
S
O
4
+
8
H
+
+
8
e
−
(oxidation)
H
2
O
2
+
2
H
+
+
2
e
−
→
2
H
2
O
(Reduction)
So, we can write,
E
P
b
S
=
M
8
E
P
b
S
O
4
=
M
8
and
E
H
2
O
2
=
M
2
So, the correct ans is are
A
,
B
and
D
.
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Q.
Balance the following equation :
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