Tetramethyllead can be synthesized in the laboratory from lead(II) chloride and a Grignard reagent according to the following reaction:

Assuming that the synthesis was attempted with 4.0 g of PbCl₂ and an excess of the Grignard reagent, and that 1.54 g of the product were isolated, calculate the yield and the atom economy. Compare the two values and comment on the efficiency of the reaction.

Transcribed Image Text:

2PbCl₂ + 4CH,MgBr → (CH3)4Pb + Pb +4MgBrCl