\(\rm{FeO/Fe_{3}O_{4}}\)广泛用于热化学循环分解水制取氢气。
已知:\(\rm{H}\)\(\rm{{\,\!}_{2}}\)\(\rm{O(g)+3FeO═══Fe}\)\(\rm{{\,\!}_{3}}\)\(\rm{O}\)\(\rm{{\,\!}_{4}}\)\(\rm{+H}\)\(\rm{{\,\!}_{2}}\)\(\rm{(g)}\) \(\rm{①}\)
\(\rm{2Fe_{3}O_{4}\overset{高温}{\!=\!=\!=\!=\!=}6FeO+O_{2}(g)}\) \(\rm{②}\)
下列说法正确的是\(\rm{(}\) \(\rm{)}\)