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Sodium Peroxide is _____________ in colour and potassium superoxide is used as a source of _____________

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in Chemistry – Class 11 by (148k points)
Sodium Peroxide is _____________ in colour and potassium superoxide is used as a source of _____________

(a) blue, yellow

(b) yellow, hydrogen

(c) blue, oxygen

(d) yellow, oxygen

The question was asked in a national level competition.

Origin of the question is s-Block Elements topic in section s-Block Elements of Chemistry – Class 11

1 Answer

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Correct choice is (d) yellow, oxygen

To explain: Sodium Peroxide acquires yellow colour due to the presence of superoxide as an impurity. Potassium superoxide is used as a source of oxygen in submarines, space shuttles and an emergency breathing apparatus such as oxygen masks.

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