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Byju's Answer
Standard XII
Chemistry
Faraday's Second Law
N2 + 3H2 = 2...
Question
N2 + 3H2 = 2NH3 in above reaction equivalent weight of NH3 and H2 are 1) M÷3,M÷3 2) M÷2,M÷3 3)M÷3,M÷3 4)M÷2,M÷
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Q.
(a)
N
2
–
–
–
+
3
H
2
→
2
N
H
3
–
–––––
–
(b)
C
a
(
O
H
)
2
+
H
3
P
O
4
–
––––––
–
→
C
a
H
P
O
4
(c)
Z
n
–
––
–
+
H
2
S
O
4
→
Z
n
S
O
4
+
H
2
(d)
2
F
e
S
O
4
–
–––––––
–
+
H
2
S
O
4
+
O
→
F
e
(
S
O
4
)
3
+
H
2
O
The equivalent weights of the underlined (from top to bottom) based on the above reactions are
M
6
,
M
3
,
M
2
,
M
2
,
M
respectively.
Taking molecular weight
=
M
Q.
For the equilibrium
N
2
+
3
H
2
⇌
2
N
H
3
,
K
6
at 1000 K is
2.37
×
10
−
3
Equilibrium
[
N
2
]
=
2.
M
[
H
2
]
=
3
M
the concentration of
N
H
3
is:
Q.
In the reaction
N
2
+
3
H
2
→
2
N
H
3
, the ratio by volume of
N
2
,
H
2
and
N
H
3
is
1
:
3
:
2
.
This illustrates the law of:
Q.
For the reaction
N
2
+
3
H
2
⇌
2
N
H
3
, the equilibrium expression may be written as
K
[
N
H
3
]
2
[
N
2
]
[
H
2
]
3
.
Q.
For the reaction,
N
2
+
3
H
2
⇌
2
N
H
3
, the equilibrium expression may be written as:
K
=
[
N
H
3
]
2
[
N
2
]
[
H
2
]
3
.
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