Question

What happens when dilute hydrochloric acid is added to iron fillings? Tick the
correct answer.
(a) Hydrogen gas and iron chloride are produced.
(b) Chlorine gas and iron hydroxide are produced.
(c) No reaction takes place.
(d) Iron salt and water are produced.​

Answer 1

When dilute Hydrochloric acid is added to iron filings, iron chloride & hydrogen gas is produced.
Fe+2HCl⟶FeCl
2
​
+H
2
​

The iron displaces hydrogen from hydrochloric acid to form iron (II) chloride & hydrogen gas. This is a single displacement reaction.
Thus the answer is option (A) Hydrogen gas and iron chloride are produced.

Answer 2

a is right answer

Hydrogen gas and iron chloride are produced