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Preparation of Hydrogen from Cold Water and Metals

Which metal i...

Question

Which metal is preferred for collecting hydrogen from steam? Write the balanced equation for the reaction.

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Solution

$F e$ reacts with steam to produce $H_{2}$
$3 F e + {4 H}_{2} O \to {F e}_{3} O_{4} + 4 H_{2}$
Along with $F e$ , $N i$ or $S n$ can also be used to decompose steam to get dihydrogen.

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