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Byju's Answer
Standard X
Chemistry
Laboratory Method of Preparation
Write the equ...
Question
Write the equation for the formation of ammonia by the action of water on magnesium nitride.
A
2
M
g
3
N
2
+
6
H
2
O
→
2
N
H
3
+
6
M
g
(
O
H
)
2
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B
M
g
3
N
2
+
3
H
2
O
→
N
H
3
+
3
M
g
(
O
H
)
2
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C
3
M
g
3
N
2
+
6
H
2
O
→
6
N
H
3
+
3
M
g
(
O
H
)
2
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D
M
g
3
N
2
+
6
H
2
O
→
2
N
H
3
+
3
M
g
(
O
H
)
2
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Solution
The correct option is
D
M
g
3
N
2
+
6
H
2
O
→
2
N
H
3
+
3
M
g
(
O
H
)
2
M
g
3
N
2
+
6
H
2
O
→
2
N
H
3
+
3
M
g
(
O
H
)
2
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0
Similar questions
Q.
Assertion :Magnesium metal burns in air to give a white ash.When this ash is treated with water, the odour of ammonia can be detected. Reason: Mg burns in air to form MgO and
M
g
3
N
2
. It is the
M
g
3
N
2
which on hydrolysis gives
N
H
3
.
2
M
g
+
O
2
→
2
M
g
O
3
M
g
+
N
2
→
M
g
3
N
2
M
g
3
N
2
+
6
H
2
O
→
3
M
g
(
O
H
)
2
+
2
N
H
3
↑
Q.
Equivalent masses of
N
H
3
in the reactions are :
(i)
4
N
H
3
+
5
O
2
⟶
4
N
O
+
6
H
2
O
(ii)
2
N
H
3
⟶
N
2
+
3
H
2
Q.
In the reaction,
3
C
u
O
+
2
N
H
3
⟶
N
2
+
3
H
2
O
+
3
C
u
the change of
N
H
3
to
N
2
involves:
Q.
In the reaction,
3
C
u
O
+
2
N
H
3
→
N
2
+
3
H
2
O
+
3
C
u
the change of
N
H
3
to
N
2
involves:
Q.
3
C
u
O
+
2
N
H
3
→
3
C
u
+
3
H
2
O
+
N
2
In this reaction
N
H
3
:
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