Alkenes - exam practice

How many unsaturated structural isomers are there with the formula C₅H₁₀?

The structure of a stereoisomer is shown below.

Which term correctly describes this stereoisomer?

The structure of cyclohexene is shown.

Which of the following is the general formula of cyclic alkenes such as cyclohexene?

Which has E-Z isomers?

What is the systematic name for the chlorofluorocarbon compound shown?

But-2-ene reacts with acidified potassium manganate(VII) at room temperature.

The organic product of this reaction is

Which intermediate ion forms in the greatest amount during the addition of HBr to propene?

Polymerisation of ethene gives poly(ethene).

How does the bonding between carbon atoms in poly(ethene) compare with that in ethene?

A section showing two repeat units of an addition polymer is shown.

What is the identity of the monomer that produced this polymer?

Which statement about poly(chloroethene) is correct?

In the reaction between ethene and bromine, the bromine molecule acts as an electrophile.

CH₂=CH₂ + Br₂ ➔ BrCH₂CH₂Br

Which of the following statements is true?

The mechanism of the reaction between ethene and hydrogen bromide is

Which substance will not give 3-methylpentane when reduced with hydrogen?

Which compound has non-polar molecules?

What is the best description for the bonding between the carbon atoms in an ethene molecule?

A student reacts pent-2-ene with bromine in the laboratory.

Which compound is formed?

This structure shows a section of a polymer chain formed from the random polymerisation of two different monomers.

Which pair of monomers could produce this polymer?

What is the IUPAC name of the major product of the reaction between 2-ethylbut-1-ene and hydrogen bromide?