1.

How many stereoisomers does this molecule have? CH_(3)CH=CHCH_(2)CHBrCH_(3)

Answer»

8
2
4
6

Solution :`CH_(30CH=CHCH_(2)overset(**)(C)HBrCH_(3)` is an alkene having different substituents as each carbon ATOM of the DOUBLE bond. THEREFORE, it exists in TWO geometrical isomers, i.e., cis-and trans. Since the GIVEN compound also has a chiral centre, therefore, each geometrical isomer has a pair of enantiomers. thus, in all, there are `2xx2=4` stereoisomers.


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