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Question
Write the equation for the reaction of:
Iron with dilute hydrochloric acid.
Name the products formed in the given case. Also indicate the physical states of all the substances involved.
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Solution
Iron reacts slowly with cold, dilute hydrochloric acid to give iron (II) chloride and hydrogen gas.
\[\ce{\underset{Iron}{Fe_{(s)}} + \underset{Hydrochloric acid}{2HCl_{(aq)}} -> \underset{Iron (II) chloride}{FeCl2_{(aq)}} + \underset{Hydrogen}{H2_{(g)}}}\]
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