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Byju's Answer
Standard XII
Chemistry
Hydrogen Peroxide
Products of e...
Question
Products of electrolysis of dilute
H
2
S
O
4
solution are:
A
H
2
(
g
)
,
O
2
(
g
)
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B
H
2
(
g
)
,
S
O
2
(
g
)
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C
H
2
(
g
)
,
O
2
(
g
)
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D
O
2
(
g
)
,
S
2
O
−
2
8
(
a
q
)
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Solution
The correct option is
C
H
2
(
g
)
,
O
2
(
g
)
The reactions are
At cathode:
2
H
+
+
2
e
−
→
H
2
At anode:
4
O
H
−
→
2
H
2
O
+
O
2
+
4
e
−
Suggest Corrections
0
Similar questions
Q.
Which of the following will give
H
2
(
g
)
at cathode and
O
2
(
g
)
at anode on electrolysis using platinum electrodes ?
Q.
In which of the following reactions, the formation of product is favoured by decrease in temperature?
(1)
N
2
(
g
)
+
O
2
(
g
)
→
2
N
O
(
g
)
Δ
H
=
181
(2)
2
C
O
2
(
g
)
→
2
C
O
(
g
)
+
O
2
(
g
)
;
Δ
H
=
566
(3)
H
2
(
g
)
+
I
2
(
g
)
→
2
H
I
(
g
)
;
Δ
H
=
−
94
(4)
H
2
(
g
)
+
F
2
(
g
)
→
2
H
F
(
g
)
;
Δ
H
=
−
541
Q.
Reaction A:
H
2
(
g
)
+
F
2
(
g
)
→
2
HF
(
g
)
Reaction B:
H
2
(
g
)
+
I
2
(
g
)
→
2
HI
(
g
)
Reaction C:
2
H
2
(
g
)
+
O
2
(
g
)
→
2
H
2
O
(
l
)
Match the above reactions with the given options.
Q.
H
2
(
g
)
+
1
2
O
2
(
g
)
⟶
2
H
2
O
(
l
)
;
Δ
H
=
−
86
k
J
2
H
2
(
g
)
+
O
2
(
g
)
⟶
2
H
2
O
(
l
)
.
.
.
.
.
.
.
.
.
k
J
(
±
?
)
Q.
H
2
(
g
)
+
1
2
O
2
(
g
)
⟶
2
H
2
O
(
l
)
;
Δ
H
=
−
286
k
J
2
H
2
(
g
)
+
O
2
(
g
)
⟶
2
H
2
O
(
l
)
.
.
.
.
.
.
.
.
.
k
J
(
±
?
)
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