Alkenes multiple choice questions – A-Level Chemistry (OCR)

Alkenes

Total marks:0 / 15

1 of 15

What is the systematic name of the compound below?

Chemical structure of bromoethene showing a bromine atom attached to an ethene molecule.

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2 of 15

The structure of a stereoisomer is shown below.

Diagram showing the structure of a stereoisomer with various alkyl groups attached to a double-bonded carbon pair.

Which term correctly describes this stereoisomer?

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3 of 15

Which has E-Z isomers?

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4 of 15

What is the systematic name for the chlorofluorocarbon compound shown?

Diagram showing the structure of a chlorofluorocarbon compound with chlorine and fluorine atoms.

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5 of 15

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

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6 of 15

Polymerisation of ethene gives poly(ethene).

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

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7 of 15

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

Diagram showing two repeat units of an addition polymer with chemical structure.

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

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8 of 15

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?

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9 of 15

The mechanism of the reaction between ethene and hydrogen bromide is

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10 of 15

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

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11 of 15

Which compound has non-polar molecules?

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12 of 15

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

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13 of 15

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

Which compound is formed?

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14 of 15

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

Diagram showing a section of a polymer chain formed from the random polymerisation of two different monomers.

Which pair of monomers could produce this polymer?

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15 of 15

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

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Alkenes

Total marks:0 / 15

1 of 15

What is the systematic name of the compound below?

0 / 1

2 of 15

The structure of a stereoisomer is shown below.

Which term correctly describes this stereoisomer?

0 / 1

3 of 15

Which has E-Z isomers?

0 / 1

4 of 15

What is the systematic name for the chlorofluorocarbon compound shown?

0 / 1

5 of 15

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

0 / 1

6 of 15

Polymerisation of ethene gives poly(ethene).

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

0 / 1

7 of 15

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

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

0 / 1

8 of 15

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?

0 / 1

9 of 15

The mechanism of the reaction between ethene and hydrogen bromide is

0 / 1

10 of 15

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

0 / 1

11 of 15

Which compound has non-polar molecules?

0 / 1

12 of 15

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

0 / 1

13 of 15

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

Which compound is formed?

0 / 1

14 of 15

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?

0 / 1

15 of 15

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

0 / 1

Alkenes - exam practice

Alkenes

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Alkenes - exam practice

Alkenes

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