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Byju's Answer
Standard XII
Chemistry
Introduction
Speed of deco...
Question
Speed of decomposition of
H
2
O
2
is reduced by :
A
N
a
2
C
O
3
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B
N
a
O
H
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C
alcohol
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D
platinum
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Solution
The correct option is
C
alcohol
Decomposition of
H
2
O
2
,
2
H
2
O
2
→
2
H
2
O
+
O
2
Alcohol can be used for reduction of s
peed of decomposition.
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Similar questions
Q.
In presence of acetanilide, the rate of decomposition of
H
2
O
2
reduced. Acetanilide is called a positive catalyst.
Q.
Decomposition of
H
2
O
2
is retarded by__________.
Q.
Decomposition of
H
2
O
2
is prevented by adding:
Q.
The srength of
H
2
O
2
is expressed in several ways like molarity, normality, %(w/V), volume strength, etc. The strength of
10
V
means 1 volume of
H
2
O
2
on decomposition gives 10 volumes of oxygen at 1 atm and
273
K
or 1 litre of
H
2
O
2
gives
10
l
i
t
r
e
of
O
2
at 1 atm and
273
K
.
The decomposition of
H
2
O
2
is shown as under:
H
2
O
2
(
a
q
)
→
H
2
O
(
l
)
+
1
2
O
2
(
g
)
H
2
O
2
can acts as oxidising as well as reducing agent, as oxidisng agent
H
2
O
2
converted into
H
2
O
and as reducing agent
H
2
O
2
converted into
O
2
, both cases n-factor is
2
.
∴
,
Normality of
H
2
O
2
Solution
=
2
×
Molarity of
H
2
O
2
Solution
What is the percentage strength of
11.2
V
H
2
O
2
?
Q.
Decomposition of
H
2
O
2
is a
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