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Chemistry
When copper is heated with conc. HNO3 it produces :
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Q. When copper is heated with conc. $HNO_3$ it produces :
NEET
NEET 2016
The p-Block Elements - Part2
A
$Cu(NO_3)_2$ and $NO$
14%
B
$Cu(NO_3)_2,NO$ and $NO_2 $
13%
C
$Cu(NO_3)_2$ and $N_2O$
14%
D
$Cu(NO_3)_2$ and $NO_2$
59%
Solution:
When copper react with conc. $HNO_3$ reddish brown gas $NO_2$ evolved
$Cu + 4HNO_3 \rightarrow Cu(NO_3)_2 + 2H_2O + 2NO_2$