What is the common name of $Benzene-1,3-diol$?

Explain the classification of phenols with examples.

Ortho and para nitrophenols are more acidic than phenol. Draw the resonance structures of the corresponding phenoxide ions.

What is the natural source of salicylic acid?

Assertion : Phenol on oxidation with $KMnO_4$ gives meso-tartaric acid.
Reason : Pure phenol is colourless but turns pink due to oxidation to phenoquinone.

Which of the following compounds reacts with ethylmagnesium bromide and also decolourizes bromine water solution?