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JEE Advanced 2018 Paper 1
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© examsnet.com
Question : 19
Total: 54
The compound(s) which generate(s)
N
2
gas upon thermal decomposition below
300
°
C
is (are)
N
H
4
N
O
3
(
N
H
4
)
2
C
r
2
O
7
B
a
(
N
3
)
2
M
g
3
N
2
Validate
Solution:
A)
N
H
4
N
O
3
Δ
–
–
–
–
–
–
–
–
–
–
–
>
below
300
°
C
N
2
O
+
2
H
2
O
B)
(
N
H
4
)
2
C
r
2
O
7
Δ
–
–
–
–
–
–
>
N
2
+
C
r
2
O
3
+
4
H
2
O
C)
B
a
(
N
3
)
2
Δ
–
–
–
>
B
a
+
3
N
2
D)
M
g
3
N
2
(it does not decompose into
N
2
)
© examsnet.com
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