1.11 CHAPTER 1. ORGANICMOLECULES
iii. aldehydes
iv. carboxylic acids
(c) The correct IUPAC name for compound 3 is...
i. 1,1-dibromo-3-butyne
ii. 4,4-dibromo-1-butyne
iii. 2,4-dibromo-1-butyne
iv. 4,4-dibromo-1-propyne
(d) What is the correct IUPAC name for compound 4?
i. propanoic acid
ii. ethylmethanoate
iii. methylethanoate
iv. methylpropanoate
IEB 2005
- Answer the followingquestions:
(a) What is a homologous series?
(b) A mixture of ethanoic acid and methanol iswarmed in the pres-
ence of concentrated sulphuric acid.
i. Using structural formulae, give an equation for the reaction
which takes place.
ii. What is the IUPAC name of the organic compound formed
in this reaction?
(c) Consider the following unsaturated hydrocarbon:
H C C C C H
H H H
H H
i. Give the IUPAC namefor this compound.
ii. Give the balanced equation for the combustion of this com-
pound in excess oxygen.
(IEB Paper 2, 2003)
- Consider the organiccompounds labelled A to E.
A. CH 3 CH 2 CH 2 CH 2 CH 2 CH 3
B. C 6 H 6
C. CH 3 -Cl
D. Methylamine
