Sulphonation

On sulhonation , phenol gives two products, ortho and para phenol sulphonic acids . The variation in products depend upon the __________.

Sodium alkyl benzene sulphonate is used as

When sodium benzene sulphonate is fused with sodium hydroxide (solide), the product formed is :

Sodium lauryl sulphonate

From Benzene Sulphonic Acid

Iupac Rules For Sulphonic Acids

Which of the following is readily sulphonated ?