Among the following compounds,the most acidic is

The decreasing order of acidity of the following benzoic acid derivatives is:

Which of the following compounds gives carbon dioxide with $NaHCO_3$?

Consider the following molecules and statements related to them:
$(a)$ $(B)$ is more likely to be crystalline than $(A)$
$(b)$ $(B)$ has a higher boiling point than $(A)$
$(c)$ $(B)$ dissolves more readily than $(A)$ in water.
Identify the correct option from below:

Identify the incorrect statement regarding acetic acid.

Which of the following substances produces ethane upon heating with soda lime?