Question 1

What is the systematic name for the chlorofluorocarbon compound shown?

  A  

E-1,2-dichloro-2-fluoroethene

  B  

Z-1,2-dichloro-2-fluoroethene

  C  

E-1,2-dichloro-1-fluoroethene

  D  

Z-1,2-dichloro-1-fluoroethene

0

/

1

Question 2

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

The organic product of this reaction is

  A  

butane-1,2-diol

  B  

butane-1,3-diol

  C  

butane-1,4-diol

  D  

butane-2,3-diol

0

/

1

Question 3

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

  A  

CH3CH+CH3

  B  

CH3CH2CH2+

  C  

CH3CH-CH2Br

  D  

CH3CHBrCH2-

0

/

1

Question 4

Which statement about poly(chloroethene) is correct?

  A  

the polymer can be cracked to produce chlorinated alkenes

  B  

the polymer has harmless combustion products

  C  

the polymer is readily biodegradable when buried

  D  

the repeat unit of the polymer has an Mr of 97

0

/

1

Question 5

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?

  A  

ethene acts as a nucleophile because it is polar

  B  

ethene acts as a nucleophile because it can donate a pair of electrons to bromine

  C  

ethene is not a nucleophile in this reaction

  D  

ethene acts as a nucleophile because it donates a single electron to bromine

0

/

1

Question 6

The mechanism of the reaction between ethene and hydrogen bromide is

  A  

electrophilic addition

  B  

electrophilic substitution

  C  

nucleophilic addition

  D  

nucleophilic substitution

0

/

1

Question 7

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

  A  

2-ethylbut-1-ene

  B  

3-methylpent-2-ene

  C  

2-methylpent-1-ene

  D  

3-methylpent-1-ene

0

/

1

Question 8

Which compound has non-polar molecules?

  A  

E-1,2-dichlorobut-2-ene

  B  

E-2,3-dichlorobut-2-ene

  C  

Z-2,3-dichlorobut-2-ene

  D  

Z-1,4-dichlorobut-2-ene

0

/

1

Question 9

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

  A  

one σ-bond and one π-bond

  B  

one π-bond

  C  

two σ-bonds

  D  

two π-bonds

0

/

1

Question 10

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

Which compound is formed?

  A  

1,1-dibromopentane

  B  

1,2-dibromopentane

  C  

2,2-dibromopentane

  D  

2,3-dibromopentane

0

/

1

Question 11

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

  A  

1-bromo-2-ethylbutane

  B  

2-bromo-2-ethylbutane

  C  

2-bromo-2-methylpentane


  D  

3-bromo-3-methylpentane


0

/

1