In which of the following will benzoic acid not be formed as a major product?

Nitrobenzene on reduction using zinc in alkaline medium results in $X$. The number of $\sigma$ and $\pi$ bonds in $X$ is

Consider the following four compounds $I, II, III,$ and $IV$.
Choose the correct statement$(s)$.
$(A)$ The order of basicity is $II > I > III > IV$.
$(B)$ The magnitude of $pK_b$ difference between $I$ and $II$ is more than that between $III$ and $IV$.
$(C)$ Resonance effect is more in $III$ than in $IV$.
$(D)$ Steric effect makes compound $IV$ more basic than $III$.

Which of the following is the correct decreasing order of basic strength for the given amines and ammonia?

What is the order of basic strength for $CH_3NH_2$ and $(CH_3)_3N$ in an aqueous solution?

Identify the product $A$ in the following reaction:
Aniline $\xrightarrow{(CH_3CO)_2O / \text{pyridine}} A$