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how to find no of isomers of a compound?????????????? (any formula?)

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


(any formula?)

Grade:12

1 Answers

rajwant singh
18 Points
12 years ago

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..

                                                                                                

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