Answer: Option (a) is the correct answer.
Explanation:
Silicon is a non-metal and it shows oxidation state of +4 or -4. This is because it can either gain 4 electrons or lose 4 electrons.
Whereas oxidation state of oxygen atom when it combines with silicon is -2.
Therefore, when silicon combines with oxygen atom then charge on silicon is +4 and charge on oxygen atom is -2. So, it results into the formation of [tex]SiO_{2}[/tex].
Hence, the reaction will be as follows.
[tex]Si + O_{2} \rightarrow SiO_{2}[/tex]
Thus, we can conclude that correct name of the compound [tex]SiO_{2}[/tex] is silicon dioxide.
