\[ \begin{aligned} \mathrm{C}(\text { graphite, } s)+2 \mathrm{~S}(...

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\[
\begin{aligned}
\mathrm{C}(\text { graphite, } s)+2 \mathrm{~S}(l) \longrightarrow & \mathrm{CS}_{2}(l) ; \\
& \Delta_{r} H^{\circ}=+128.5 \mathrm{~kJ} \mathrm{~mol}^{-1}
\end{aligned}
\]
The above reaction is
(a) exothermic and spontaneous
(b) exothermic and non-spontaneous
(c) endothermic and spontaneous
(d) endothermic and non-spontaneous
\( \mathrm{P} \)
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