The ring structure of benzene was first proposed by :

The planar regular hexagonal structure of benzene was first 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.

The centric structure of benzene was proposed by

Structure of benzene was proposed by

The two structures of benzene proposed by Kekule differ in

The secondary structure of proteins was proposed by ____

The centric formula of benzene was proposed by

Nucleosome existence and structure was first proposed in 1974 by: