Chemistry
Give balanced equations for obtaining hydrogen from ?
(a) Boiling water using a divalent metal
(b) Steam using a trivalent metal
(c) Steam using a metal – and the reaction is reversible.
Hydrogen
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Answer
(a) Mg + H2O ⟶ MgO + H2 [g]
(b) 2Al + 3H2O ⟶ Al2O3 + 3H2 [g]
(c) 3Fe + 4H2O ⇌ Fe3O4+ 4H2 [g]
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