JEE Main 202624 Jan, Evening shiftChemistryHardPurification and Characterisation of Organic Compounds10× since 2010
0.25 g of an organic compound "A" containing carbon, hydrogen and oxygen was analysed using the combustion method. There was an increase in mass of tube and potash tube at the end of the experiment. The amount was found to be 0.15 g and 0.1837 g, respectively. The percentage of oxygen in compound A is ______ %. (Nearest integer) (Given: molar mass in g mol H : 1, C : 12, O : 16)