通过以下反应均可获取\(\rm{H_{2}}\)。下列有关说法正确的是
\(\rm{①}\)太阳光催化分解水制氢:\(\rm{2H_{2}O(l) ═2H_{2}(g)+O_{2}(g) ΔH_{1}=571.6 kJ·mol^{–1}}\)
\(\rm{②}\)焦炭与水反应制氢:\(\rm{C(s)+H_{2}O(g) ═CO(g)+ H_{2}(g)ΔH_{2}=131.3 kJ·mol^{–1}}\)
\(\rm{{\,\!}③}\)甲烷与水反应制氢:\(\rm{CH_{4}(g)+H_{2}O(g) ═}\) \(\rm{CO(g)+3 H_{2}(g)ΔH_{3}=206.1 kJ·mol^{–1}}\)