When copper is heated with conc. HN O _ 3 it produces:

Options

1. ACu{\left(N{O}_{3}\right)}_{2} and $N{O}_{2}$
2. B$Cu{\left(N{O}_{3}\right)}$_{2}$and$NO
3. C$Cu{\left(N{O}_{3}\right)}_{2}, NO$ and $N{O}_{2}$
4. D$Cu{\left(N{O}_{3}\right)}$_{2}$and${N}_{2}O