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CIE A Level Chemistry復習筆記3.1.7 Shapes of Organic Molecules; Sigma & Pi Bonds

Category: A-level課程, 教材筆記, 福利干貨 Date: 2022年8月12日 下午3:18

Straight, Branched & Cyclic Molecules

  • Straight, branched and cyclic organic molecules are also called?aliphatic?compounds as long as they do not contain a?benzene ring

Straight-chain

  • Straight-chain?organic molecules are those in which the carbon atoms are connected to each other in one continuous chain

3.1-An-Introduction-to-AS-Level-Organic-Chemistry-Straight-Chained

Pentane is a straight-chain organic molecule as the carbon atoms are connected in a straight line

Branched

  • Branched?organic molecules have side groups attached to the main chain of carbon atoms

3.1-An-Introduction-to-AS-Level-Organic-Chemistry-Branched2-methylbutane is a branched organic molecule as the main chain (consisting of 4 carbon atoms) has a methyl branch

Cyclic

  • Cyclic?organic molecules are those in which the carbon atoms are connected to each other in a ring shape

3.1-An-Introduction-to-AS-Level-Organic-Chemistry-CyclicCyclopentane is a cyclic organic molecule as the carbons are attached to each other in a ring structure

 

 

 

 

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