How do you convert ethyl chloride into tetraethyl lead?

To convert ethyl chloride into tetraethyl lead, you would first need to convert ethyl chloride into ethyl Grignard reagent using magnesium as the catalyst. This intermediate compound can then be reacted with lead chloride to form tetraethyl lead. It's important to note that this process requires careful handling due to the toxicity of tetraethyl lead.