MCQ
On strongly heating $Pb{(N{O_3})_2}$ crystals, the gas formed is
- A$N{O_2}$
- B${O_2}$
- ✓$N{O_2} + {O_2}$
- D$NO$
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$(i)$ $X + Y \rightleftharpoons M$ very rapid equilibrium
$(ii)$ $M + Z \to P$ slow
$(iii)$ $O + Y \to N$ very fast
What is the rate law for this reaction