Department Meeting

Which of the following would reduce the rate of a chemical reaction?

• Increase the concentration of a solution

• Raise the temperature

• Add a catalyst

• Use large chunks of solid instead of small

Reorder the following in order of increasing carbon chain length in an alkane

• Pentane

• Butane

• Ethane

• Hexane

• Methane

Fractional distillation separates ​ (a)   into its constituent parts. It is useful because only the ​ (b)   alkanes are useful as fuels

• crude oil

• petrol

• short chain

• long chain

Which location is the correct place to position the thermometer bulb in an organic distillation setup?

Label the correct pieces of equipment in an organic distillation setup

c

d

e

Still head

Liebig condenser

Round bottom flask

Pear shaped flask

Heating mantle

Organize these options into the right categories of organic functional groups

Groups:

(a) Alkanes

,

(b) Alkenes

,

(c) Alcohols

,

(d) Haloalkanes

• Methane

• Bromobutane

• Propene

• Ethanol

• Heptane

• Propan-2-ol

Crude oil can be separated into its components using

Match the following

• Propane

• The polymer formed by reacting chloroethene

• poly(chloroethene)

• A fraction of crude oil used as a road surfacing

• Bromine water

• An alkane with 3 carbon atoms

• Bitumen

• An alkene with 4 carbon atoms

• Butene

• A chemical that can identify unsaturated hydrocarbons

A reaction in which one substance is broken down into several is called a ​ (a)   ​ reaction

• decomposition
• oxidation
• combustion
• synthesis
• redox