Q.

Complete combustion of 1.80 g of an oxygen containing compound CxHyOz gave 2.64 g of CO2 and 1.08 g of H2O. The percentage of oxygen in the organic compound is :

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a

51.63

b

53.33

c

63.53

d

50.33

answer is B.

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Detailed Solution

%C=1244×2.641.8×100=40%H=218×1.081.80×100=6.66                            %O=100-[40+6.66]=53.34
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Complete combustion of 1.80 g of an oxygen containing compound CxHyOz gave 2.64 g of CO2 and 1.08 g of H2O. The percentage of oxygen in the organic compound is :