What are the major organic products of the following reaction?
A
I and III
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B
I and IV
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C
II and III
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D
II and IV
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Solution
The correct option is B I and IV Treatment of alkenes with bromine Br2 gives vicinal dibromide. The bromines add to opposite faces of the double bond anti addition. Sometimes the solvent is mentioned in this reaction – a common solvent is carbon tetrachloride CCl4
In the above compound, bromine should be added in an anti manner. so major organic products will be 1,4 compounds as they are added in an anti manner. the other two are in a minor amount.