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Byju's Answer
Standard XII
Chemistry
Preparation and Properties and Uses of Potassium Hydroxide
How will you ...
Question
How will you obtain the following (Give only chemical equations)?
(i)
N
2
from
N
H
3
(ii)
N
H
3
from
N
H
4
C
l
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Solution
(i)
N
2
from
N
H
3
by oxidation:
8
N
H
3
+
3
C
l
2
→
6
N
H
4
C
l
+
N
2
2
N
H
3
+
3
C
u
O
heat
−
−
→
3
C
u
+
N
2
+
3
H
2
O
(ii)
N
H
3
from
N
H
4
C
l
2
N
H
4
C
l
+
C
a
(
O
H
)
2
→
C
a
C
l
2
+
2
H
2
O
+
2
N
H
3
↑
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Similar questions
Q.
How will you obtain? (Give chemical equations only)
(i) Sulphuric acid from sulphur
(ii) Phosphine from white phosphorus.
Q.
Balance the following equation:
N
H
3
+
C
l
2
→
N
2
+
N
H
4
C
l
Q.
Balance the chemical equation given below and calculate the number of moles of
N
H
4
C
l
formed when 16 moles of
N
H
3
react with 6 moles of
C
l
2
gas.
N
H
3
+
C
l
2
→
N
2
+
N
H
4
C
l
Q.
Name the type of following chemical reaction.
N
H
4
C
l
→
N
H
3
+
H
C
l
Q.
Identify
(
A
)
,
(
B
)
,
(
C
)
&
(
D
)
and give their chemical formulae:
(i)
(
A
)
+
N
a
O
H
H
e
a
t
⟶
N
a
C
l
+
N
H
3
+
H
2
O
(ii)
N
H
3
+
C
O
2
+
H
2
O
⟶
(
B
)
(iii)
(
B
)
+
N
a
C
l
⟶
(
C
)
+
N
H
4
C
l
(iv)
(
C
)
H
e
a
t
⟶
N
a
2
C
O
3
+
H
2
O
+
(
D
)
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Standard XII Chemistry
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