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Question
Chemistry
The gas produced from thermal decomposition of ( NH 4)2 Cr 2 O 7 is
Q. The gas produced from thermal decomposition of
(
N
H
4
)
2
C
r
2
O
7
is
82
188
KVPY
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A
oxygen
B
nitric oxide
C
ammonia
D
nitrogen
Solution:
The thermal decomposition of
(
N
H
4
)
2
C
r
2
O
7
gives chromium oxide
(
C
r
2
O
3
)
, nitrogen gas and water.
(
N
H
4
)
2
C
r
2
O
7
Δ
C
r
2
O
3
+
N
2
+
4
H
2
O