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QCM 9 Spectroscopie IR Session 1 2022


Leelou

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Bonjour, (désolée j'envoie le message un peu tard😅 ) mais j'ai une question sur l'item 42 : "Sur le spectre, on note la présence de plusieurs bandes d’élongation de liaison Car-Car entre 1456 et 1597 cm-1."

Pourquoi est-il vrai? La bande à 1597cm-1 ne correspond pas à la vibration d'élongation des doubles liaisons carbone-carbone?

Session 1 2022 QCM 9 IR Spectre.pdf

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