Question: Identify A through O:

Bromination is the chemical reaction involving the reaction of a compound, and bromine results in bromine being added to the compund.The new product formed has different properties than initial one.

Ozonolysis is an organic chemical reaction in which unsaturated alkene or alkynes are cleaved with ozone O₃. It is also known as organic redox-reaction in which both oxidation and reduction takes place simultaneously.For example Ozonolysis of alkene in the presence of ozone can give alcohols, aldehydes, ketones or Carboxylic acids. Alkynes on treatment with ozone give acid anhydrides or diketones..

Ozonolysis

Chromic acid (H₂CrO₄) is used to oxidize alcohols in the aqueous solution of sodium dichromate. It reacts with alcohol to form chromic ester whereas when it reacts with aldehydes it converts aldehyde into Carboxylic acid and secondary alcohols into ketones.

Esterification is defined as an organic reaction in which organic acid (RCOOH) combine with alcohol (ROH) to form an ester and water. Esterification results in the formation of at least one ester product in the reaction.

The compound through A to O is shown in the reaction given below:

Reaction Scheme from A to O