Duduli

Answer:- The reason is that the formation of alkoxide ion is not favoured as it is not resonance stabilised.Its formation requires more energy.Phenoxide ion, being more stable is easily formed.Hence phenol is much more acidic than alcohol.

Answer:- In case of certain compounds, more than one structures can be written.However none of them is able to explain all the known properties of the compound.This phenomenon is called Resonance.

Answer:- If a oscillating tuning fork is placed vertical on a hollow box containing air having natural frequency equal to that of tuning fork,then the air inside the box is set into resonant vibrations of large amplitude and intense sound is heard.Such a box is called resonance box.