The dand fblock elements - Result Question 41
####41. When copper is heated with conc. $HNO_3$ it produces
[2016]
(a) $Cu(NO_3)_2$ and $NO_2$
(b) $Cu(NO_3)_2$ and $NO$
(c) $Cu(NO_3)_2, NO$ and $NO_2$
(d) $Cu(NO_3)_2$ and $N_2 O$
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Solution:
- (a) Less active metals like $Cu, Ag$ etc. react with conc. acid and form nitrate and nitrogen dioxide.
