1.

If x' litres of O_(2) is released at STP from one litre of H_(2)O_(2) solution due to decomposition of H_(2)O_(2) then we lable such solution as 'x volume H_(2)O_(2) 2H_(2)O_(2) to 2H_(2)O+O_(2) 30% (w/v) H_(2)O_(2) is called perhydrol. How much volume of O_(2) is released from 100 ml of Phydrol" due to decomposition ofH_(2)O_(2) at STP?

Answer»

18 lit
9 lit
27 lit
4.5lit

Solution :6.8 % `H_2O_2 =22.4 vol :. 30% H_2O_2 = 100vol`
1 ML perhydrol gives 100 ml `O_2`
100 ml perhydrol gives 10 lt `O_2`
But 90% DECOMPOSED` :. `9ltis RELEASED


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