Which among the following phenols has the highest melting point?

Phenol $+$ Aniline $\xrightarrow[{KOH}]{{C_6H_5N_2^+Cl^{-}}}$ Major Product $:$ Product will be $:$

What is the product formed when salicylic acid is treated with zinc dust?

Assertion : Reimer-Tiemann reaction of phenol with $CCl_4$ in $NaOH$ at $340 \ K$ gives salicylic acid as the major product. Reason : The reaction occurs through intermediate formation of dichlorocarbene.

Rank the following compounds in order of increasing acidic strength.

Identify the incorrect statement from the following.