2.1 Study the structural formula below.

For this compound, write down the:
2.1.1 Homologous series to which it belongs (1)
2.1.2 IUPAC name (2)
2.1.3 IUPAC name of the organic acid used in its preparation (1)
2.1.4 STRUCTURAL FORMULA of its straight chain (unbranched) functional isomer (2)
2.2 Write down the structural formula of 4-methylpentan-2-one. (3)
2.3 Consider the structural formula below.

For this compound, write down the:
2.3.1 General formula of the homologous series to which it belongs (1)
2.3.2 IUPAC name (3)
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