What is the reaction $2Mg(s) + O_2(g) -> 2MgO(s)$ is an example of what type of reaction?

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Answer 1 · 2017-02-27T06:50:37

$"A redox reaction.................."$

Magnesium metal is oxidized to magnesium ion:

$Mg(s) rarr Mg^(2+) + 2e^(-)$ $(i)$

Oxygen gas is reduced to oxide anion:

$O_2(g) + 4e^(-) rarr 2O^(2-)$ $(ii)$

Overall $2xx(i) + (ii)$ , $2Mg(s) + O_2(g) rarr 2MgO(s)$

What is the reaction 2Mg(s) + O_2(g) -> 2MgO(s)2Mg(s) + O_2(g) -> 2MgO(s) is an example of what type of reaction?