What happens when dilute hydrochloric acid is added to iron fillings?
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Select the correct answers.
HCl + fe – >. Fecl2.+,H2,
Hydrochloric acid reacts with iron and made iron chloride and release hydrogen
When dilute hydrochloric acid (HCl) is added to iron fillings, a chemical reaction occurs. The reaction can be represented by the following equation:
Fe(s) + 2HCl(aq) → FeCl2(aq) + H2(g)
In this reaction:
Iron (Fe) reacts with hydrochloric acid to form iron chloride (FeCl2) and hydrogen gas (H2).
Iron undergoes a chemical change and is dissolved in the hydrochloric acid to form iron chloride.
Hydrogen gas is evolved as a product of the reaction and is released as bubbles.
This reaction is an example of a single displacement or single replacement reaction, where one element (iron) displaces another element (hydrogen) from a compound (hydrochloric acid). It’s important to note that the reaction typically occurs more readily with dilute hydrochloric acid compared to concentrated acid. The hydrogen gas produced can be tested by its flammability, as hydrogen is a flammable gas, and it will burn with a pop sound when ignited in the presence of oxygen.