3.
通过以下反应均可获取\(\rm{H_{2}}\)。下列有关说法正确的是\(\rm{(}\) \(\rm{)}\)
\(\rm{①}\)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:\(\rm{CH_{4}(g)+H_{2}O(g)=CO(g)+3H_{2}(g)ΔH_{3}=+206.1 kJ·mol^{-1}}\)