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Diethylzinc (Et2Zn) is often used a source of nucleophilic carbon. (a) Would you expect this to be a hard nucleophile or a soft nucleophile? Explain.

Diethylzinc (Et2Zn) is often used a source of nucleophilic carbon.
(a) Would you expect this to be a hard nucleophile or a soft nucleophile? Explain.

(b) Diethylzinc is pyrophoric (catches fire easily in the presence of water or air). Why?

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