Phenol reacts with bromine in CS₂ at low temperature to give

When phenol is treated with excess bromine water it gives

Phenol on reduction with H₂ in the presence of Ni catalyst gives

Dehydration of alcohol is an example of

Alcohol + conc H₂SO₄/reflux $$\rightarrow$$  ?

Alcohol + SOCl₂ or PCl₅ $$\rightarrow$$  ?

Alcohol + Na $$\rightarrow$$  ?

Alcohol + carboxylic acid/H⁺/reflux $$\rightarrow$$  ?

Alcohol + acyl chloride $$\rightarrow$$  ?