Tardigrade
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Tardigrade
Question
Chemistry
When copper is heated with conc. HNO3 it produces :
Q. When copper is heated with conc.
H
N
O
3
it produces :
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NEET
NEET 2016
The p-Block Elements - Part2
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A
C
u
(
N
O
3
)
2
and
NO
14%
B
C
u
(
N
O
3
)
2
,
NO
and
N
O
2
13%
C
C
u
(
N
O
3
)
2
and
N
2
O
14%
D
C
u
(
N
O
3
)
2
and
N
O
2
59%
Solution:
When copper react with conc.
H
N
O
3
reddish brown gas
N
O
2
evolved
C
u
+
4
H
N
O
3
→
C
u
(
N
O
3
)
2
+
2
H
2
O
+
2
N
O
2