Questions: Select all that apply. Which of the following molecules contain a good leaving group? CH3CH2CH2CH2Cl CH3CH2NH2 CH3CH2CH2I

Transcript text: Select all that apply. Which of the following molecules contain a good leaving group? $\mathrm{CH}_{3} \mathrm{CH}_{2} \mathrm{CH}_{2} \mathrm{CH}_{2} \mathrm{Cl}$ $\mathrm{CH}_{3} \mathrm{CH}_{2} \mathrm{NH}_{2}$ $\mathrm{CH}_{3} \mathrm{CH}_{2} \mathrm{CH}_{2} \mathrm{I}$

Solution

Solution Steps

Step 1: Identify the leaving groups in each molecule

CH₃CH₂CH₂CH₂Cl: The leaving group is Cl (chlorine).
CH₃CH₂NH₂: The leaving group would be NH₂ (amine group).
CH₃CH₂CH₂I: The leaving group is I (iodine).
Cyclohexanol with OH₂⁺: The leaving group is OH₂⁺ (water).
Cyclohexanol with OH: The leaving group would be OH (hydroxyl group).

Step 2: Determine the quality of each leaving group

Cl (chlorine): Chlorine is a good leaving group because it is stable as Cl⁻.
NH₂ (amine group): Amine groups are generally poor leaving groups because they are not stable as NH₂⁻.
I (iodine): Iodine is an excellent leaving group because it is very stable as I⁻.
OH₂⁺ (water): Water is a good leaving group because it is stable as H₂O.
OH (hydroxyl group): Hydroxyl groups are poor leaving groups because they are not stable as OH⁻.

Step 3: Select the molecules with good leaving groups