Identify the most acidic hydrogen in the given compound.

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:

What is obtained when the silver salt of a fatty acid is refluxed with an alkyl halide?

$A$ sweet-smelling compound formed by reacting acetic acid with ethanol in the presence of hydrochloric acid is

The reaction between acetic acid and ammonia gives

Which of the following compounds will react with $NaHCO_3$ solution to give sodium salt and carbon dioxide?