GKFix MCQ Question

Which of the following reactions is endothermic according to the text?

• A. C(graphite, s) + 2 S(l) → CS₂(l)
• B. 1/2 H₂(g) + 1/2 Cl₂(g) → HCl(g)
• C. H₂(g) + 1/2 O₂(g) → H₂O(l)
• D. 1/2 N₂(g) + H₂(g) → NH₃(g)