Rank the following compounds in order of decreasing acidity, putting the most acidic first. $$\begin{array} {llll}\mathrm { CH } _ { 3 } \mathrm { CH } _ { 2 } \mathrm { OH }
&\mathrm { CH } _ { 3 } \mathrm { CH } _ { 2 } \mathrm { NH } _ { 2 }
&\mathrm { ClCH } _ { 2 } \mathrm { CH } _ { 2 } \mathrm { OH }\
\text { I }&\text { II } &\text { III } \ \end{array}$$

Question

Quizplus · Accepted Answer

Chloroethanol (III) is more acidic than ethanol (I) due to the electron-withdrawing effect of chlorine, which stabilizes the conjugate base. Ethanol (I) is more acidic than ethylamine (II) because oxygen is more electronegative than nitrogen, making the O-H bond more polar and easier to ionize.

Rank the Following Compounds in Order of Decreasing Acidity, Putting