Hampton School Chemistry
Worksheet 2
Organic Chemistry
Date:
Name:
Grade 11:
Score:
INSTRUCTIONS: ANSWER ALL QUESTIONS
1. (a) Compound A is a straight-chain hydrocarbon with the molecular formula C5 H12.
(i) State ONE natural source and TWO uses of Compound A.
Source: _______________________________
Uses: ______________________________________
___________________________________________
(3marks)
(ii) Draw the FULLY DISPLAYED structure of Compound A.
(2marks)
(b) (i) Deduce the homologous series to which compound A belongs. Give a reason for your
answer.
Homologous series:
______________________________________
Reason:
____________________________________________________________________________
(2 marks)
(ii) Write the name of Compound A.
______________________________________
(1mark)
Compound A exhibits structural isomerism.
(iii) Define the term 'structural isomerism'.
______________________________________
______________________________________
(2marks)
(iv) Draw the FULLY DISPLAYED structure of any structural isomer of Compound A and name
it.
Name of isomer: ______________________________
(3marks )
1. (a) Complete the following table.
Name of
compound
Name of
homologous series
General
formula
Condensed
formula of
compound
Fully displayed
structural
formula of
compound
Ethane
(4marks)
(b) The fully displayed structures for two hydrocarbons, Compound A and Compound B are
shown below.
(i) Name the homologous series to which Compounds A and B belong.
Compound A: __________________________
Compound B: __________________________
(2marks)
(ii) State the name of Compound A.
______________________________________
(1mark)
(c) The fully displayed structural formula of four different organic compounds are given below.
(i) Which TWO compounds belong to the same homologous series.
______________________________________
(2 marks)
(ii) To which homologous series do the compounds named in (ii) belong? Give a reason
Homologous series:
______________________________________
Reason:
______________________________________
(2marks)
(iii) Name the functional group of Compound D.
______________________________________
(1mark)
TOTAL 25 MARKS
END OF TEST