Write chemical equations of the reaction of magnesium metal with dioxygen gas, water, dilute hydrochloric acid and dichlorine gas.
Reaction of magnesium are as follows:
i) Dioxygen gas: Magnesium reacts with dioxygen gas to form magnesium dioxide.
2Mg(s) + O2(g) → 2MgO(s)
ii) Water: Magnesium reacts with hot water to form magnesium hydroxide and dihydrogen gas.
Mg(s) + H2O(l) → Mg(OH)2(aq) +H2(g)
iii) Dilute HCl: When magnesium reacts with dilute HCl magnesium chloride and dihydrogen gas is formed.
Mg(s) + HCl(aq) → Mg(Cl)2(aq) +H2(g)
iv) Dichlorine gas: Magnesium reacts with dichlorine gas to form magnesium chloride.
2Mg(s) + Cl2(g) → Mg(Cl)2(s)
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