KO_{2} (potassium super oxide) is used in oxygen cylinders in space and submarines because it

  • Option 1)

    absorbs CO_{2}  and increases O_{2} content

  • Option 2)

    eliminates moisture

  • Option 3)

    absorbs CO_{2}

  • Option 4)

    produces ozone.

 

Answers (1)
V Vakul

As we learnt in

Characteristics of superoxides -

1.    Strong oxidising agent

2.    Paramagnetic and coloured

3.    Orange or yellow

4.    Solid at room temperature

-

 

KO_{2}  absorbs  CO_{2}  and increases O_{2} content

2KO_{2}+ CO_{2}\rightarrow K_{2}CO_{3}+\frac{3}{2}O_{2}

 


Option 1)

absorbs CO_{2}  and increases O_{2} content

This option is correct.

Option 2)

eliminates moisture

This option is incorrect.

Option 3)

absorbs CO_{2}

This option is incorrect.

Option 4)

produces ozone.

This option is incorrect.

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