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charu gupta Grade: 12
        

how to find no of isomers of a compound??????????????


(any formula?)

7 years ago

Answers : (1)

rajwant singh
18 Points
										

yes there is a formula for no of geometrical isomers:


1. if the iupac name of the compound is same from both side then 2n-1 + 2n-1/2   if n is odd


                  2n-1+ 2n/2 if n is even


if the iupac name is diffrent form both sides the it will be 2n


 here n is no of stereo centre, n can be pie bond, c=n, biphenyl system with bulkier groups,odd no of cumuleted diene...  same formula is applicable for the optical isomers in modified form..


                                                                                                

7 years ago
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