An alcohol and an organic acid are combined to form water and a compound with a pleasant odor. this reaction is an example of

Esterification

Explanation:

Reaction of Carboxylic acid and alcohol in acidic medium gives an ester along with water is called as Fischer Esterification.

And it is an example for reversible reaction.

Example, acetic acid reacts with ethanol in mineral acid medium gives ethyl acetate and water.

CH3COOH + C2H5OH> CH3COOCH2CH3 + H2O

if the concentration of products is decreased, the equilibrium will shift toward the products). add an inert gas (one that is not involved in the reaction) to the constant-volume reaction mixture: this will increase the total pressure of the system, but will have no effect on the equilibrium condition.

explanation: