Answer to Question #158867 in General Chemistry for Joseph Todorovski

Question

which statement is true for the following reaction: 2SO2(g)+O2(g)-->2SO3​(g)

a: oxygen is both oxidized and reduced in the reaction

b: sulfur is reduced because its oxidation number increases

c: the sum of the oxidation numbers on oxygen in O2 is -4

d: sulur is oxidized because each sulfur atom appears to lose two electrons

Answer 1

Oxidation is the loss of electrons and reduction is gain of electrons.

So,

[sulfur is oxidized in this chemical reaction as it losing electrons.]

[D]