Question

How can the following be converted into the respective chlorides?

(c) Iron.

Give the balanced chemical equation.

Answer 1

Reaction of metal and acid:

• A salt and hydrogen gas are produced when an acid undergoes a chemical reaction with a metal.
• When iron metal $\left(\mathrm{Fe}\right)$ reacts with hydrochloric acid $\left(\mathrm{HCl}\right)$, it produces ferric chloride $\left({\mathrm{FeCl}}_2\right)$ and hydrogen gas $\left({\mathrm{H}}_2\right)$.

Chemical reaction:

• The chemical equation is as follows:

$\mathrm{Fe}\left(\mathrm{s}\right)+2\mathrm{HCl}\left(\mathrm{aq}\right)\to {\mathrm{FeCl}}_2\left(\mathrm{aq}\right)+{\mathrm{H}}_2\left(\mathrm{g}\right)$