Organic chemistry — Question 6

QUESTION 6 (9 marks)

Six molecules were selected to investigate functional groups and the arrangement of atoms.

H H

H H H

O

H C C

H C C Cl

C

C

O H

H H

H H H

Molecule 2

Molecule 3

H

H H H

H₃C

H

H C N

H C N

C

C

C

C H

Cl

H

H

H H

Molecule 4

Molecule 5

Molecule 6

a) Identify a molecule that contains a carbonyl functional group.

[1 mark]

b) Identify a geometric isomer of molecule 6 and apply IUPAC rules to name the geometric isomer.

[1 mark]

IUPAC name:

c) Describe, using a balanced chemical equation, how molecule 4 can be converted to molecule 5. Include all relevant reagents.

[2 marks]

d) Complete the diagram to explain how molecule 3 can be converted into molecule 1 and molecule 2.

[5 marks]

Note: If you make a mistake in the diagram, cancel it by ruling a single diagonal line through your work and use the additional response space at the back of this question and response book.