The volume of 10V H_{2}O required to liberate 500 cm^{3} of O_{2} at STP is

  • Option 1)

    50 ml

  • Option 2)

    5 ml

  • Option 3)

    15 ml

  • Option 4)

    100 ml

 

Answers (1)

As we learnt in

Decomposition -

It decomposes slowly on exposure to light

- wherein

2H_{2}O\rightarrow 2HO+O_{2}

 

 

 

10V H2O2 means that 1 ml of H2O2 solution on decay will give 10 ml of O2

Therefore, for 500 ml, we need 50 ml of H2O 10V solution 


Option 1)

50 ml

This option is correct

Option 2)

5 ml

This option is incorrect

Option 3)

15 ml

This option is incorrect

Option 4)

100 ml

This option is incorrect

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