A) oxide
B) super oxide
C) peroxide
D) monoxide
Correct Answer: C
Solution :
The symbol \[{{O}^{2-}}\]is known as oxide ion. The symbol\[O_{2}^{-}\] is known as super oxide because its oxidation state is\[-\frac{1}{2}.\] The symbol \[O_{2}^{2-}\]is known as peroxide ion because oxidation state of oxygen in\[\text{O}_{2}^{2-}\] is \[-1.\]
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