What are the three possible Lewis structures for C2H2Cl2?

1 Answer
May 14, 2018

Here's what I get.

Explanation:

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The first isomer has two chlorine atoms on the same carbon,

The π-bond in alkenes prevents rotation about the C-C axis.

Thus, thee are two isomers with the chlorine atoms on different carbons:

  • one has the two chlorine atoms on the same side of the double bond
  • the other has the two chlorine atoms on opposite sides of the double bond