Question 4
Which gas is produced when dilute hydrochloric acid is added to a reactive metal? Write the chemical reaction when iron reacts with dilute $H_{2} {SO}_{4}$ .

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Solution

Hydrogen gas is evolved when dilute hydrochloric acid is added to a reactive metal.

When iron reacts with dilute $H_{2} {SO}_{4}$ , iron (II) sulphate is formed along with the evolution of hydrogen gas. The reaction involved is:

$Fe (s) + H_{2} {SO}_{4} (aq) \to {FeSO}_{4} (aq) + H_{2} (g)$

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Question 4 Which gas is produced when dilute hydrochloric acid is added to a reactive metal? Write the chemical reaction when iron reacts with dilute H2SO4.

Hydrogen gas is evolved when dilute hydrochloric acid is added to a reactive metal. When iron reacts with dilute H2SO4, iron (II) sulphate is formed along with the evolution of hydrogen gas. The reaction involved is: Fe (s)+H2SO4(aq)→FeSO4(aq)+H2(g)

Question 4
Which gas is produced when dilute hydrochloric acid is added to a reactive metal? Write the chemical reaction when iron reacts with dilute $H_{2} {SO}_{4}$ .

Hydrogen gas is evolved when dilute hydrochloric acid is added to a reactive metal.

When iron reacts with dilute $H_{2} {SO}_{4}$ , iron (II) sulphate is formed along with the evolution of hydrogen gas. The reaction involved is:

$Fe (s) + H_{2} {SO}_{4} (aq) \to {FeSO}_{4} (aq) + H_{2} (g)$