which reaction is most exothermic?

A. Li+(g) + F.(g)→LiF(s)

B. Na+(g) + Cl.(g)→NaCl(s)

C. Mg2+(g) +O2.(g)→MgO(s)

D. Ca2+(g) + S2.(g)→CaS(s)

The answer is "C", i need the explanation plz thanks. :)

1 Answer

  • Anonymous
    9 years ago
    Favorite Answer

    C is an oxidation reactions....oxidation reactions are exothermic in nature

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