Option 1) C7H8
Option 2) C2H4
Option 3) C3H4
Option 4) C6H5
As we learnt,
Empirical formula -
An Empirical formula represents the simplest whole number ratio of various atoms present in a compound.
- wherein
for glucose, empirical formula is CH2O
General equation for combustion of hydrocarbon :
Number if moles of CO2 produced = 3.08 / 44 = 0.07
Number of moles of H2O produced = 0.72 / 18 = 0.04
The formula of hydrocarbon is C7H8.