Which of these statements about hydrocarbons is correct?
- AAlkenes are unsaturated which means that they are less soluble in water than alkanes.
- BAlkenes contain a higher percentage by mass of carbon than alkanes.
- CCracking large alkanes produces only smaller alkanes and hydrogen.
- DThe presence of a double bond in an alkene means that 1 mol of alkene will react with exactly 80.0 g of bromine.