Reactions of acids
1 mark · EasyState the products formed when iron reacts with dilute hydrochloric acid.
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iron(II) chloride and hydrogen
Also accept: iron(II) chloride and hydrogen gas; FeCl2 and H2; FeCl2(aq) and H2(g); iron(II) chloride (FeCl2) and hydrogen (H2)
Common mistakes: chlorine instead of hydrogen; iron(III) chloride
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Marking points
A1 · 1 mark · Correctly states both iron(II) chloride and hydrogen as products.
Worked solution
When iron reacts with dilute hydrochloric acid, the products are iron(II) chloride and hydrogen gas.