S Block — Easy JEE chemistry MCQ
Which alkali metal does not form a stable superoxide?
- A. Li
- B. K
- C. Rb
- D. Cs
Solution
Lithium, being small, cannot stabilize the large superoxide ion $(O_2^-)$. Only $K$, $Rb$, and $Cs$ form stable superoxides.
CHEMISTRY
easy • PYQ Reworded
Question
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Which alkali metal does not form a stable superoxide?
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