NEET Chemistry The s-Block Elements Questions Solved


Which of the following reactions of potassium superoxide supply oxygen gas in the breathing equipments used in space and submarines?

(1) Reaction of superoxide with nitrogen in the exhaled air.

(2) Reaction of superoxide with moisture in the exhaled air.

(3) Reaction of superoxide with carbon dioxide in the exhaled air

 

(A) (1), (2) and (3)                                       

(B) (2) and (3) only

(C) (2) only                                                 

(D) (1) and (2) only

(B)

     (2) KO2+2H2O            KOH+H2O2+12O2

     (3) 4KO2+2CO2           2K2CO3+3O2

Difficulty Level:

  • 24%
  • 51%
  • 18%
  • 9%
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