Which of the following compounds is the most acidic?

In the compound ${\mathrm{CH}}_3{\mathrm{COCH}}_2\mathrm{COOH}$ (acetoacetic acid), which hydrogen is the most acidic?

Rank the following compounds in decreasing order of acidity: $\mathrm{CH}{3}_1\mathrm{COOH}$, $\mathrm{CH}{3}_1\mathrm{OH}$, $\mathrm{NH}{3}_1$, $\mathrm{CH}{4}_1$.

Which of the following compounds is the most acidic?

Given the compound ${\mathrm{CH}}_3\mathrm{COOH}$ (acetic acid), identify the most acidic proton.

Rank the following compounds in order of increasing acidity: $\mathrm{CH}{3}_3\mathrm{CH}\mathrm{OH}$, $\mathrm{CH}{3}_3\mathrm{COOH}$, $\mathrm{CH}{3}_3\mathrm{NH}2$.

Given the molecule ${\mathrm{CH}}_3{\mathrm{CO}}_{2}H$ (acetic acid), select the most acidic type of hydrogen in this molecule.

Given the following compounds, which of the indicated protons is most acidic? (A) ${\mathrm{CH}}_3\mathrm{COOH}$ (B) ${\mathrm{CH}}_3\mathrm{OH}$ (C) ${\mathrm{CH}}_3\mathrm{NH}2$ (D) ${\mathrm{CH}}_4$

Would the following reactions go to the right or the left? Draw the products and label ALL species. Provide the full mechanism.