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Name
The Alkanes
Make models of the first five members of the alkane family.
1. Complete the following table:
Name
Displayed formula Lewis Structure
Molecular formula
2. What is the general formula of the alkane series? ……………………….
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Empirical formula
The Alkenes
1. Make models of the first four members of the alkene family.
Complete the following table:
Name
Displayed
Lewis Structure
Molecular formula
formula
2. What is the general formula of the alkene series? ……………………….
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Empirical formula
The Alcohols (or Alkanols)
Give both the name and the formula of the functional group of the alcohol homologous series (family)
……………………………………………………………………………………………………………………………
1. Make models of the first five members of the alcohol family putting the functional group on the first
carbon atom in each case.
2. Complete the following table:
Name
Displayed formula
Lewis Structure
Give the general formula of the alcohol family ……………………………
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Molecular formula
ISOMERS
1a) What are isomers?
………………………………………………………………………………………………………………………………
…………………………………………………………………………
b) Make models of the three isomers of C5H12. Write down the
displayed formula, structural formula and names of the isomers.
Displayed formula
Structural formula
Name
2. a) Write both the displayed and molecular formulae for hexane and
cyclohexane.
HEXANE
CYCLOHEXANE
Displayed
Formula
Molecular
Formula
b) Explain why these compounds are not isomers.
………………………………………………………………………………………………………………
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3. a) Make models of the three isomers of C4H8. Write down the
displayed formulae, structural formulae and names of the isomers.
Displayed formula
Structural formula
Name
3. b) Make models of the three isomers of C3H8O. Write down the
displayed formulae, structural formulae and names of the isomers.
Displayed formula
Structural formula
Name
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3c)The alcohols in the table you drew initially are all primary alcohols.
Secondary alcohols and tertiary alcohols also exist.
Explain fully the meaning of the terms in bold:
i)
primary alcohol : …………………………………………………………………………………
…………………………………………………………………………………………………………………..
ii)
secondary alcohol …………………………………………………………………………………..
…………………………………………………………………………………………………………………….
iii)
tertiary alcohol …………………………………………………………………………………
……………………………………………………………………………………………………………
3. Primary, secondary and tertiary alcohols of formula C5H12O are all
possible. Draw and name one isomer which fits each category. Use
structural formulae (but do NOT use brackets)
Primary
Secondary
Tertiary
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