Question 5) Write word equations and then balanced equations for the reaction taking place when (a) dilute sulphuric acid reacts with zinc granules (b) dilute hydrochloric acid reacts with ma

(b) Magnesium ribbon + dil. Hydrochloric acid → Magnesium chloride + Hydrogen

Mg (s) + 2 HCl (aq) \to {MgCl}_{2} (aq) + H_{2} (g)

2 Al (s) + 3 H_{2} {SO}_{4} (aq) \to {Al}_{2} {({SO}_{4})}_{3} (aq) + 3 H_{2} (g)

(d) Iron filings + Dilute hydrochloric acid > Ferric chloride + Hydrogen

2 Fe (s) + 6 HCl (aq) \to 2 {FeCl}_{3} (aq) + 3 H_{2} (g)

Posted on 1st Sep 2021 06:09:35 in

Question 5) Write word equations and then balanced equations for the reaction taking place when
(a) dilute sulphuric acid reacts with zinc granules
(b) dilute hydrochloric acid reacts with magnesium ribbon
(c) dilute sulphuric acid reacts with aluminium powder
(d) dilute hydrochloric acid reacts with iron filing

Ans:
(a) Zinc + dilute sulphuric acid → Zinc sulphate + Hydrogen
$Zn (s) + H_{2} {SO}_{4} (aq) \to {ZnSO}_{4} (aq) + H_{2} (g)$

(b) Magnesium ribbon + dil. Hydrochloric acid → Magnesium chloride + Hydrogen
$Mg (s) + 2 HCl (aq) \to {MgCl}_{2} (aq) + H_{2} (g)$

(c) Aluminium powder + dil. Sulphuric acid > Aluminium sulphate + Hydrogen
$2 Al (s) + 3 H_{2} {SO}_{4} (aq) \to {Al}_{2} {({SO}_{4})}_{3} (aq) + 3 H_{2} (g)$

(d) Iron filings + Dilute hydrochloric acid > Ferric chloride + Hydrogen
$2 Fe (s) + 6 HCl (aq) \to 2 {FeCl}_{3} (aq) + 3 H_{2} (g)$

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