The centric formula of benzene was proposed by

The centric structure of benzene was proposed by

Structure of benzene was proposed by

Fill in the blanks with appropriate words. Benzene has a planar structure. All carbon atoms in benzene are (I)____ hybridised. The ring structure of benzene was proposed by (II)________. It shows (III)_______substitution reactions. It reacts with (IV)_________in presence of aluminium chloride to form acetophenone.

Structural formula of benzene is

Structural formula of benzene is

The ring structure of benzene was first proposed by :

The empirical formula of benzene and acetylene is/are