Question

In the chemical reaction, Fe(s) + 2HCl(aq) →FeCl2 (aq) + gas, the gas evolved is A helium. B oxygen.C chlorine.D hydrogen. ​

Answer 1

The correct option is A Hydrogen

Step-by-step explanation:

The correct option is A Hydrogen

Iron on reaction with hydrochloric acid, replaces the hydrogen from the acid and forms ferrous chloride. Hydrogen gas is evolved during the reaction in the form of bubbles.

Fe (s) + 2HCl (aq) → FeCl2 (aq) +H2 (g)