Chemistry 9-1 0971: Organic Chemistry Topical Past Paper Questions

Alkanes are flammable hydrocarbons. Table 1.1 gives the boiling points of three alkanes. Table 1.1 A student uses the apparatus shown in Figure 1.1 to separate a mixture of the three alkanes in Table 1.1. Figure 1.1 (a) Name the items of apparatus in Figure 1.1 labelled A and B.…

Liquid alcohols can be burned as fuels in spirit burners. The energy given out can be used to heat water in a boiling tube as shown in Fig. 4.1. Fig. 4.1 Describe how to investigate which of three liquid alcohols, ethanol, propanol and butanol, heats the water in the boiling tube…

A mixture contains three compounds: liquid ethanol solid sodium chloride solid zinc carbonate. Table 4.1 gives some information about these three compounds. Table 4.1 Describe how to obtain a pure sample of each of the three compounds, ethanol, sodium chloride and zinc carbonate,…