Question

Draw the product formed when pyridine reacts with ethyl bromide.

Short answer

When pyridine reacts with ethyl bromide, they act like an amine reacting with alkyl bromide. This forms a quarternary ammonium salt. The reaction is given below:

Reaction of pyridine with ethyl bromide

Step-by-step solution

Step-by-Step SolutionStep 1:Reaction of pyridine with ethyl bromide

When pyridine reacts with ethyl bromide, they act like an amine reacting with alkyl bromide. This forms a quarternary ammonium salt. The reaction is given below:

Reaction of pyridine with ethyl bromide

The product  formed from the reaction between  pyridine and ethyl bromide

The product formed from the reaction between pyridine and ethyl bromide is a quarternary ammonium salt which is shown below:

Desired product

This is an ionic compound having${\mathrm{Br}}^{-}$and nitrogen as positive charge. This is known asquaternary salt because the nitrogen atom has four bonds even though it can have only three bonds. Thus, the nitrogen has a positive charge.