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Unformatted text preview: These can react with H 2 to form alkanes (now saturated). A homologous series is a set of related organic molecules differing by one or more CH 2- groups. NOTE: As the straight-chain alkanes grow in size and molar mass, their mp and bp increase. See Table 12.2, but look only at trends. NAMING and DRAWING AlKANES: Learn Tables 12.3 and 12.4! 1. Find longest continuous chain and use prefixes to describe its length. 2. Ending gives functional group. 3. Identify any branches and end with yl. 4. Locate branches with lowest numbers possible . 5. Multiple groups as branches? If identical groups: Indicate with di-, tri-, etc. If different branches: List alphabetically....
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