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Ordre numérotation carbone


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Go to solution Solved by enzocastets,

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1577705073-99bd57cd-31d7-4375-b7cd-a73d6Bonjour, j’ai une petite question 

est ce que le c avec triple liaison passe avant le C relié au Br? 
parce que pour moi Br a un plus grand numéro atomique donc quand on a C-C ou C-Br c-Br va être n°1. 
est ce que qqn pourrait me numéroter les substituants pour cet exemple. Merci beaucoup 

C’est dans le concours de purpan de 2018 qcm 13 

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