Choose the correct option to complete the following reaction:
$2 Al (s) + 6 HCl (aq) \to$

$2 {Al(OH)}_{3} (aq) + 3 {Cl}_{2} (g)$

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$2 {AlCl}_{3} (aq) + 3 H_{2} (g)$

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{Al}_{2} O_{3} (aq) + 3 H_{2} (g)

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2 {AlH}_{3} (aq) + 3 {Cl}_{2} (g)

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Solution

The correct option is B
$2 {AlCl}_{3} (aq) + 3 H_{2} (g)$

Acids react with metals to form their respective metal salt and hydrogen gas. Aluminium ( $Al$ ) is a reactive metal. It reacts with dilute hydrochloric acid ( $HCl$ ) to form aluminium chloride ( ${AlCl}_{3}$ ) and hydrogen gas ( $H_{2}$ ). The reaction involved is:

$2 Al (s) + 6 HCl (aq) \to 2 {AlCl}_{3} (aq) + 3 H_{2} (g)$

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Similar questions

2 A l (s) + 6 H C l (a q) \to

2 A l H_{3} (a q) + 3 C l_{2} (g)

A l_{2} O_{3} (a q) + 3 H_{2} (g)

2 A l (O H)_{3} (a q) + 3 C l_{2} (g)

2 A l C l_{3} (a q) + 3 H_{2} (g)

$2 Al (s) + 6 HCl (aq) \to$

2 A l (s) + 6 H C l (a q) \to 2 {A l}^{3 +} (a q) + 6 {C l}^{-} (a q) + 3 H_{2} (g)

2 A l (s) + 6 H C l (a q) \to 2 {A l}^{3 +} (a q) + 6 {C l}^{-} (a q) + 3 H_{2}

2 A l (s) + 6 H C l (a q) \to 2 A l^{3 +} (a q) + 6 C l^{-} (a q) + 3 H_{2} (g)

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