Module 7 Revision

Butan-1-ol burns in oxygen according to the following equation.  $C_4H_9OH\ \ \left(l\right)\ +\ 6O_2\ \left(g\right)\ \rightarrow\ 4CO_2\ \left(g\right)\ +\ 5H_2O\ \left(l\right)$ How many moles of carbon dioxide would form if two moles of butan-1-ol were burnt in excess oxygen?

• 2

• 4

• 8

• 10

Which of the following industrial processes is used to produce ethanol from ethylene?

• Hydration

• Dehydration

• Addition polymerisation

• Condensation polymerisation

Which property would be most useful in distinguishing between butan-1-ol and propan-1-ol?

• Boiling point

• Colour

• Conductivity

• Density

What is the systematic name of the molecule shown?

• Butyl butanoate

• Propyl butanoate

• Butyl propanoate

• Propyl propanoate

What is the correct IUPAC name for the following compound?

• 2-chloro-3-fluorobutane

• 2-fluoro-3-chlorobutane

• 3-fluoro-2-chlorobutane

• 3-chloro-2-fluorobutane

Butan-2-ol is heated under reflux with acidified potassium dichromate solution. What is the major organic product?

• Butanal

• Butyl butanoate

• Butanone

• Butanoic acid

Which compound can form when bromine water reacts with propene?

• 1-bromopropane

• 2-bromopropane

• 1,1-dibromopropane

• 1,2-dibromopropane

An organic liquid, when reacted with concentrated sulfuric acid, produces a compound that decolourises bromine water. What is the formula of the organic liquid?

• C₆H₁₂

• C₆H₁₄

• C₆H₁₁OH

• C₅H₁₁COOH

Bromine, Br₂, dissolves in unsaturated hydrocarbons and reacts immediately. Which of the following is the best description of this process?

• Bromine is polar and reacts by adding bromine atoms across the double bond.

• Bromine is polar and reacts by substituting hydrogen atoms with bromine atoms.

• Bromine is non-polar and reacts by adding bromine atoms across the double bond.

• Bromine is non-polar and reacts by substituting hydrogen atoms with bromine atoms.

Ethanol can be reacted with ethanoic acid to produce ethyl ethanoate. What type of reaction is this?

• Esterification

• Hydration

• Polymerisation

• Reduction