Match the following Column-I (a) Peroxide (b) Superoxide (c)...

Match the following
Column-I
(a) Peroxide
(b) Superoxide
(c) Dioxide
(d) Suboxide
Column-II
(p) $\mathrm{C}_{3} \mathrm{O}_{2}$
(q) $\mathrm{PbO}_{2}$
(r) $\mathrm{KO}_{2}$
(s) $\mathrm{H}_{2} \mathrm{O}_{2}$
(t) $\mathrm{RbO}_{2}$

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Key Concepts

Peroxides

Peroxides are compounds that contain the peroxide ion (O2^2-), characterized by an oxygen–oxygen single bond. Each oxygen atom typically has an oxidation state of -1, and these compounds often act as oxidizing agents. Their structure and reactivity are central topics in the study of inorganic oxygen chemistry.

Superoxides

Superoxides contain the superoxide ion (O2^-), where the O–O bond carries an extra electron making it a radical with a -1 charge overall. These compounds, commonly formed by heavier alkali metals, exhibit distinctive reactivity and redox behavior compared to peroxides and simple oxides.

Dioxides

Dioxides are compounds in which an element is combined with two oxygen atoms, usually without an O–O bond between them. In these compounds, the central element is typically in a higher oxidation state, and understanding their structure and bonding is a key aspect of studying metal oxides in inorganic chemistry.

Suboxides

Suboxides are compounds that have a lower proportion of oxygen compared to the normal oxide of an element. They often feature unusual bonding such as metal–metal interactions or non-standard stoichiometry, and their study helps illustrate concepts like variable oxidation states and non-stoichiometric compounds in inorganic chemistry.

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