Question

how to determine cis and trans with bromine?​

Answer 1

Proceeds with anti stereochemistry

Possibly the most interesting feature of this reaction is that the products follow a very predictable stereochemical pattern. For instance, in the reaction of cyclohexene with Br2, the two bromine atoms add to opposite faces of the alkene (“anti” stereochemistry). No “syn” products are observed.

Answer 2

hey mates your answer is here

Cis-trans isomers are compounds that have different configurations (groups permanently in different places in space) because of the presence of a rigid structure in their molecule. Alkenes and cyclic compounds can exhibit cis-trans isomerism.

trans (the two hydrogen atoms are on opposite sides)

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