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Organic chemistry — Question 62

Original QCE Vault practice · 4 marks

Q62 · Practice questionSimple familiar4 marks

QUESTION 62 (4 marks)

The structures show two isomers of 1,2-dichloroethene.Diagram for CHEM26-ORIG-062

a) Identify A and B as cis or trans. [2 marks]

b) Explain why these isomers do not readily interconvert at room temperature without breaking a bond. [2 marks]

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