Naming organic compounds
4 marks · NormalThe table below shows the formulas of three different organic compounds.
| Compound | Structural formula |
|---|---|
| A | CH3CH2CH2CH3 |
| B | CH2=CHCH3 |
| C | CH3CH2CH2OH |
For each compound:
i) State the homologous series to which it belongs.
ii) State the IUPAC name for each compound.
Work this out on paper, then compare with the answer and worked solution below. With a free account you can submit written answers for marking.
Show answer
(a) — · must show A: alkane, B: alkene, C: alcohol
(b) — · must show A: butane, B: propene, C: propanol
Common mistakes: butanol for C; alkene for C
Show mark scheme and worked solution
Marking points
B1 (a) · 1 mark · Correctly identifies the homologous series for all compounds (A: alkane; B: alkene; C: alcohol)
M1 (b) · 1 mark · Correctly gives the IUPAC name for compound A: butane.
M2 (b) · 1 mark · Correctly gives the IUPAC name for compound B: propene.
M3 (b) · 1 mark · Correctly gives the IUPAC name for compound C: propanol.
Worked solution
| Compound | Homologous series | IUPAC name |
|---|---|---|
| A | alkane | butane |
| B | alkene | propene |
| C | alcohol | propanol |