`K_(1)` and `K_(2)` are equilibrium constants for reaction (i) and (ii)
`N_(2)(g)+O_(2)(g) hArr 2NO(g)` …(i)
`NO(g) hArr 1//2 N_(2)(g)+1//2O_(2)(g)` …(ii)
then,
A. `K_(1)=(1//K_(2))^(2)`
B. `K_(1)=K_(2)^(2)`
C. `K_(1)=1//K_(2)`
D. `K_(1)=(K_(2))^(@)`