Write the structure and IUPAC name of the major product obtained when ethyl magnesium bromide reacts with formaldehyde and the product is then hydrolysed with dilute H2SO4.
You are given benzene, conc. and NaOH. Write the equations for the preparation of phenol using these reagents.
First benzene react with sulphuric acid to give benzensulfonic acid and it react further with sodium hydroxide and sodium benzosulfonate is formed. when benzosulfonate is fused by sodium hydroxide phenol is obtaine.