For which one of the following reactions p c K K ? (a) PCl PCl Cl (b) N O 2NO (c) N 3H 2NH (d) 2SO 2SO O

Here, For option (a) 1 P C K K (RT) For option (b) 0 P C P C K K (RT) ;K K For option (c) 2 P C K K (RT) For option (d) P C K = K (RT) Hence, option (b) is the correct answer.