• Screenshot (615)_LI.jpg
    ans marked
    but my doubt here is that if we go by formula ans sud be 2^n-1 +2^n-1/2 right ?? then here n=1 that is only one steriocentre that is pi bond then ans is coming 2 ........and also if we go through physical method then possiblty is one time cis and second is trans ....right

  • @king-kong
    Your formula is applicable for geometrical isomers and you are taking n=1 (No. of the double bond). But, there is a chiral carbon also. So, you will get the wrong answer by that formula.
    There are two stereocentres n=2 and use 2^n for total isomers.
    And by physical method Cis & Trans and for chiral carbon, original and its mirror image.
    Capture 1.PNG

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