NEET Chemistry The s-Block Elements Questions Solved


Which of the following form superoxide on heating with excess of air :-

(1) Li, Na

(2) Mg, Be

(3) Na, K

(4) K, Rb

K, Rb, Cs forms superoxide

Difficulty Level:

  • 8%
  • 7%
  • 14%
  • 73%
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