(P) `N_2(g)+O_2(g)hArr2NO(g)," "K_(1)`
(Q) `((1)/(2))N_2(g)+((1)/(2))O_2(g)hArrNO(g)," "K_(2)`
(R)`2NO(g)hArrN_2(g)+O_2(g)," "K_(3)`
`(S)NO(g)hArr((1)/(2))N_2(g)+((1)/(2))O_2(g)," "K_(4)`
Correct relation between `K_1,K_2,K_3and K_4 is//are`:
A. `K_1K_3=1`
B. `sqrtK_(1)xxK_4=1`
C. `sqrtK_(3)xxK_2=1`
D. `K_1xxK_2xxK_3=K_4`