Déterminer la formule semi-développée d'une amine - Tle - Exercice Physique-Chimie

Quelle est la formule semi-développée de l'éthanamine ?

\ce{CH3}-\ce{CH2}-\ce{NH2}

\ce{CH3}-\ce{CH2}-\ce{NH3+}

\ce{CH2}-\ce{CH2}-\ce{NH3+}

\ce{CH3}-\ce{NH3+}

Quelle est la formule semi-développée de la méthylamine ?

\ce{CH3}-\ce{NH2}

\ce{CH3}-\ce{NH3+}

\ce{CH2}-\ce{NH3+}

\ce{CH3}-\ce{CH2}-\ce{CH2}-\ce{NH3+}

Quelle est la formule semi-développée de la propylamine ?

\ce{CH3}-\ce{CH2}-\ce{CH2}-\ce{NH2}

\ce{CH3}-\ce{CH2}-\ce{CH2}-\ce{NH3+}

\ce{CH3}-\ce{CH3CH2}-\ce{CH2}-\ce{CH2}-\ce{NH3+}

\ce{CH2}-\ce{CH3}-\ce{CH2}-\ce{NH2}

Quelle est la formule semi-développée de la 3-méthyl-1-butylamine ?

\ce{CH3}-\ce{CH3CH2}-\ce{CH2}-\ce{CH2}-\ce{NH2}

\ce{CH3}-\ce{CH3CH2}-\ce{CH2}-\ce{CH2}-\ce{NH3+}

\ce{CH4}-\ce{CH3CH2}-\ce{CH3}-\ce{CH2}-\ce{NH3+}

\ce{CH2}-\ce{CH3}-\ce{CH2}-\ce{NH2}

Quelle est la formule semi-développée de la butylamine ?

\ce{CH3}-\ce{CH2}-\ce{CH2}-\ce{CH2}-\ce{NH2}

\ce{CH3}-\ce{CH2}-\ce{CH2}-\ce{CH2}-\ce{NH3+}

\ce{CH3}-\ce{CH2}-\ce{CH3CH2}-\ce{CH2}-\ce{NH3+}

\ce{CH2}-\ce{CH3}-\ce{CH3}-\ce{NH2}