(1) Ozone is not poisonous in nature
(2) Ozone is a linear molecule
(3) Of the halogens, Cl$_2$ has the maximum bond enthalpy
(4) Flourine forms six salts with Xenon. These are XeF$_2$, XeF$_3$,XeF$_4$, XeF$_5$, XeF$_6$, XeF$_7$
$\begin{array}{1 1} (A) (1) and (3) only \\ (B) (1), (2) and (4) \\ (C) (2) and (4) only \\ (C) (1) and (2) only\end{array}$