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Encore besoin de votre aide en chimie sur la stéréo


Go to solution Solved by Cicatrix,

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Posted (edited)

Bonjour, enfin re bonjour dcp 😅

Alors la A de ce qcm me perturbe, enfin c'est surtout pourquoi c'est 3R 4R et pas 2R et 3R ?

Ah et je précise dcp la A de ce qcm est vraie

https://ibb.co/xLV3d8g
Merci pour votre aide !!

Edited by Chicoco

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