$N_2(g) \qquad \Delta S_f=191.5\;J \\ O_2(g) \qquad \Delta S_f=205\;J \\ NO\qquad \Delta S_f=210.7\;J$ <br> What is the change in entropy for the following reaction? $N_{2(g)}+O_{2(g)}→2NO$

Question

$\begin{array}{1 1} (a)\;607.2J/mol\\ (b) \;−582.3J/mol\\ (c) \;24.9J/mol\\ (d)\;−185.8J/mol \end{array}$