Question

For above chemical reactions, identify the correct statement from the following:

Options

• compound 'A' is di-carboxylic acid and compound 'B' is diol

• compound 'A' is diol and compound 'B' is di-carboxylic acid

• both compound 'A' and compound 'B' are diols

• both compound 'A' and compound 'B' are di-carboxylic acids

Answer 1

Ccompound 'A' is di-carboxylic acid and compound 'B' is diol.

Explanation:

On heating with KMnO4 in H2SO4, the cyclohexene undergoes oxidation and oxidative cleavage. In this case, H2SO4 is an acidic medium, while KMnO4 works as a potent oxidising agent. Cyclohexene's double bond disintegrates, and dicarboxylic acid is created as oxygen atoms are added across the double bond. Hexane-1, 6-dioic acid or adipic acid is produced when the cyclic structure is destroyed.

KMnO₄ in H₂O at 273 K acts as a mild oxidizing agent. The cyclohexene when treated with KMnO₄ in H₂O at 273 K will produce a dial by breaking a double bond. The addition of O atoms occurs across double bonds. The product formed is cyclohexane-1,2-diol.

From the above reactions, it is clear that compound A is a dicarboxylic acid and compound B is a diol.