MCQ
The carbocation stability is:
$\stackrel{{+}}{\hbox{ CH }_3}<\text{CH}_{3}\stackrel{{+}}{\hbox{ CH}_2}< (\text{CH}_{3})_{2}\stackrel{{+}}{\hbox{ CH }}<(\text{CH}_{3})_{3}\stackrel{{+}}{\hbox{C}}$
and alkyl radical stability is:
$\stackrel{{+}}{\hbox{ CH }_3}<\text{CH}_{3}\stackrel{{+}}{\hbox{ CH}_2}< (\text{CH}_{3})_{2}\stackrel{{+}}{\hbox{ CH }}<(\text{CH}_{3})_{3}\stackrel{{+}}{\hbox{C}}$
and alkyl radical stability is:
- A$\stackrel{{\bullet}}{\hbox{ CH}}(\text{CH}_{3})_{2} < \stackrel{{\bullet}}{\hbox{ CH}}_{3}<\stackrel{{\bullet}}{\hbox{ CH}}_{2}\text{CH}_{3}<\stackrel{{\bullet}}{\hbox{C}}(\text{CH}_{3})_3$
- B$\stackrel{{\bullet}}{\hbox{ CH}}(\text{CH}_{3})_{3} < \stackrel{{\bullet}}{\hbox{ CH}}_{}(\text{CH}_{3})_{2}<\stackrel{{\bullet}}{\hbox{ CH}}_{3}<\stackrel{{\bullet}}{\hbox{CH}}_{2}\text{CH}_{3}$
- C$\stackrel{{\bullet}}{\hbox{ CH}}(\text{CH}_{3})_{3} < \stackrel{{\bullet}}{\hbox{ CH}}_{}(\text{CH}_{3})_{2}<\stackrel{{\bullet}}{\hbox{ CH}}_{2}\text{CH}_{3}<\stackrel{{\bullet}}{\hbox{CH}}_{3}$
- D$\stackrel{{\bullet}}{\hbox{ CH}}_{3}<\stackrel{{\bullet}}{\hbox{ CH}}_{2}\text{CH}_{3}<\stackrel{{\bullet}}{\hbox{ CH}} (\text{CH}_{3})_{2}<\stackrel{{\bullet}}{\hbox{C}}(\text{CH}_{3})_{3}$
