Elimination

An elimination is a reaction in which an organic compound loses two ligands without gaining any.

eg. 1:



net reaction:



In this reaction, 1 loses two ligands, H and Br, without gaining any. Therefore, this reaction is an elimination reaction.

eg. 2:



net reaction:



In this reaction, 2 loses two ligands, H and Cl, without gaining any.  Therefore, this reaction is an elimination reaction.

Overall, elimination is the exact opposite of addition.

eg:



see also 1,1-elimination, 1,2-elimination

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