AS Chemistry
Unit 2
Nomenclature
Module 1
1. Given two molecular formulae C4H10 and C4H8;
a) Select a compound which could be:
i) an alkane
ii) a cycloalkane
iii) an alkene
b) In each case, draw one possible structure to show how your choice is correct.
2. State the class of organic molecule to which the following compounds belong:
a) CH3CH2CH3
b) CH3CH=CH2
c) CH3CH2CH2Br
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3. Name the following compounds:
a)
b)
H
H
H
CH3 H
C
C
C
H
Br
H
C
CH3 H
H
c)
H
H
C
C
C
H
H
H
H
C
H
d)
H
H
H
H
H
C
C
C
C
H
H
H
H
Cl
H
H
H
C
H
C
C
C
H
C
H
H
H
H
H
e) CH3CH(CH3)CH3
f) CH3CHBrCH2Br
g) CH2=CHCH2CH3
h) CH3CH=C(CH3)CH3
4. Draw the structures of the following compounds:
a) methylbutane
b) cyclohexane
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c) but-1-ene
d) 3-ethyl,2-methylhex-1-ene
e) 3-chlorobut-1-ene
f) 1,1-dichloropropane
g) 2,2,4-trimethylheptane
h) pent-2-ene
5. Draw the four structural isomers of C4H9Cl and name them.
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6. Draw the three structural isomers and the two E/Z isomers of C4H8 containing a C=C bond
and name them.
7. Draw the five structural isomers with the formula C6H14 and name them. Then arrange them in
order of increasing boiling point, starting with the lowest. Justify your answer.
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8. Name the following compounds.
a)
b)
c)
d)
e)
f)
g)
h)
i)
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