0654 Topic C14 Organic Chemistry Quiz

Give the molecular formula of decane. [blank_start]C10H22[blank_end]

Propene can be made by using heat to decompose large alkane molecules into smaller, more useful molecules. This process is known as:

Molecules of propene can be combined to form a molecule of poly(propene). Which of these shows part of the structure of a molecule of poly(propene)? [5CH1H_01_que_20150514]

In the following diagrams, X and Y are atoms of different elements. Which diagram correctly shows the arrangement of outer electrons in a molecule of methane? [0620_w15_qp_13 Q4]

The diagram shows the flame produced from burning a hydrocarbon, acetylene, in a welding torch. Which gas is X? [0620_w15_qp_13 Q28]

Carbon monoxide is an air pollutant produced when petrol is burned in a car engine. Why is carbon monoxide considered to be an air pollutant?

Unwanted vegetation is sometimes placed in a bin where it decays to form compost. This compost can be used to fertilise soils. Which gas is likely to be present in a higher percentage inside the bin than in the air outside the bin?

What are the names of the compounds shown in the reaction scheme at the left? [0620_w15_qp_13 Q35]

Which row describes the formation of a polymer? [0620_w15_qp_13 Q36]

Which row shows the correct use of a fraction obtained by the fractional distillation of petroleum? [0620_w15_qp_13 Q37]

Ethanol can be formed by: 1 fermentation 2 reaction between steam and ethene Which of these processes uses a catalyst? [0620_w15_qp_13 Q38]

The structures of four compounds are shown. Which are members of the same homologous series? [0620_w15_qp_13 Q39]

During the process of cracking hydrocarbons, an [blank_start]....... 1 .......[blank_end] is converted into an [blank_start]....... 2 .......[blank_end] . The presence of an ....... 3 ....... can be shown by a visible reaction with .[blank_start]...... 4 .......[blank_end] .