Which among the following compounds is used as a selective weed killer?

Which of the following is $NOT$ a dihydric alcohol (or dihydric phenol)?

Write the nitration and bromination reactions of phenol.

Select the correct decreasing order of acid strength for the following compounds: $(a)$ $Ethanol$ $(b)$ $2-Methylpropan-2-ol$ $(c)$ $Phenol$ $(d)$ $p-Nitrophenol$.

Phenol $\xrightarrow{Br_2 / H_2O}$ Product formed is

Identify the name of the reaction when phenol reacts with chloroform in the presence of aqueous $NaOH$.