Constitution et transformations de la matière - Spécialité

Stratégie en synthèse organique

Exercice 1 : Identifier une formule semi-développée à partir d'une formule brute

Parmi les formules semi-développées suivantes, laquelle correspond à une molécule de formule :

\(C_{7}H_{12}O\)

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Exercice 2 : Nommer un composé (ester)

Nommer le composé suivant :

Exercice 3 : Identifier le nombre de liaisons d'une molécule

Combiens de liaisons compte une molécule de formule brute suivante ? (Les liaisons doubles comptent pour 2, les triples pour 3).

\(C_{5}H_{12}O\)

Exercice 4 : Ordonner les étapes d'une synthèse

On a listé dans le désordre les principales étapes d'une synthèse :

A. Caractérisation du produit par chromatographie.
B. Réalisation de la transformation chimique par chauffage à reflux.
C. Préparation des réactifs et des solvants de la synthèse.
D. Extraction du produit synthétisé du milieu réactionnel.

Remettre ces étapes dans le bon ordre.
On écrira la réponse sous la forme \(A>B>C\)

Exercice 5 : Nommer un composé (aldéhyde linéaire)

Nommer le composé suivant :

Revenir au choix du niveau