Salt `A+SrarrBoverset(BaCl_(2))rarr` White precipitate A is paramagnetic in nature and contains about 55% K. Thus, A isA. `K_(2)O`B. `K_(2)O_(2)`C. `KO_(2)`D. `K_(2)SO_(4)`

Salt `A+SrarrBoverset(BaCl_(2))rarr` White precipitate A is paramagnet

1.	Salt `A+SrarrBoverset(BaCl_(2))rarr` White precipitate A is paramagnetic in nature and contains about 55% K. Thus, A isA. `K_(2)O`B. `K_(2)O_(2)`C. `KO_(2)`D. `K_(2)SO_(4)`
Answer» Correct Answer - c Among the given oxides, only `KO_(2)`. i.e. potassium superoxide is paramagnetic in nature. This is because peroxide ion, `O_(2)^(-)` has three electron bonds which makes it paramagnetic and coloured. `underset("Oxide ion")O^(2-) underset("Peroxide ion").^(-)O-O^(-) underset("Superoxide ion")[O-=O]^(-)` Hence, A is `KO_(2)`.

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Salt `A+SrarrBoverset(BaCl_(2))rarr` White precipitate A is paramagnetic in nature and contains about 55% K. Thus, A isA. `K_(2)O`B. `K_(2)O_(2)`C. `KO_(2)`D. `K_(2)SO_(4)`

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