What is the oxidation state of rubidium (rb)?

The answer is rubidium exhibits +1 and -1 oxidation states.

Explanation:

Rubidium is a reactive element and belongs to the group 1 of the periodic table. It is an alkali metal and it is a highly reactive element.

Rubidium is a very soft and white lustrous element. Rubidium has +1 and -1 oxidation states. When rubidium is burnt, it forms oxides, superoxides and peroxides respectively.

For example, in rubidium oxide (Rb2O), Rubidium has a +1 oxidation state. While in peroxides rubidium exhibits -1 oxidation state. For example Rubidium peroxides (Rb2O2).

see earlier answer

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