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Byju's Answer
Standard XII
Chemistry
Electrolysis and Electrolytes
NaOH is forme...
Question
N
a
O
H
is formed according to reaction given below:
2
N
a
+
1
2
O
2
⟶
N
a
O
2
N
a
2
O
+
H
2
O
⟶
2
N
a
O
H
To make
4
g of
N
a
O
H
,
N
a
required will be :
A
4.6
g
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B
4.0
g
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C
2.3
g
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D
0.23
g
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Solution
The correct option is
C
2.3
g
2
N
a
+
1
2
O
2
⟶
N
a
2
O
N
a
2
O
+
H
2
O
⟶
2
N
a
O
H
According to the balanced reaction,
2
moles of
N
a
O
H
requires
2
moles of
N
a
,
So,
4
g (
0.1
mole) requires
0.1
mol
=
23
×
0.1
=
2.3
g
N
a
Suggest Corrections
2
Similar questions
Q.
N
a
O
H
is formed according to reaction,
2
N
a
+
1
2
O
2
⟶
N
a
O
2
N
a
2
O
+
H
2
O
⟶
2
N
a
O
H
To make
4
g
N
a
O
H
,
N
a
required is
:
Q.
N
a
O
H
is formed according to the following reaction:
2
N
a
+
1
2
O
2
⟶
N
a
O
2
N
a
2
O
+
H
2
O
⟶
2
N
a
O
H
To make
4
g
N
a
O
H
,
N
a
required is
:
Q.
NaOH is formed according to the reaction
2
N
a
+
1
2
O
2
→
N
a
2
O
N
a
2
O
+
H
2
O
→
2
N
a
O
H
To make 4g of
N
a
O
H
,
N
a
is required:
Q.
N
a
O
H
can be prepared by two methods each with two steps having
100
%
extent.
I
:
2
N
a
+
2
H
2
O
⟶
2
N
a
O
H
+
H
2
2
H
2
+
O
2
⟶
2
H
2
O
I
I
:
2
N
a
+
1
2
O
2
⟶
N
a
2
O
N
a
2
O
+
H
2
O
⟶
2
N
a
O
H
Which gives better yield?
Q.
Given:
N
2
(
g
)
+
3
H
2
(
g
)
⇌
2
N
H
3
(
g
)
;
K
1
N
2
(
g
)
+
O
2
(
g
)
⇌
2
N
O
(
g
)
;
K
2
H
2
(
g
)
+
1
2
O
2
(
g
)
⇌
H
2
O
(
g
)
;
K
3
where
K
1
,
K
2
,
K
3
are equilibrium constants.
The equilibrium constant for the reaction,
2
N
H
3
(
g
)
+
5
2
O
2
(
g
)
⇌
2
N
O
(
g
)
+
3
H
2
O
(
g
)
will be:
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