I keep getting “Grignard reagent” questions wrong in Haloalkanes & Haloarenes. What's the trap?
using a Grignard reagent in a wet apparatus.
The usual trap: using a Grignard reagent in a wet apparatus. How to avoid it: keep everything bone-dry — even a trace of water destroys a Grignard. Go back to the definition — R–MgX is a powerful nucleophile/base that builds C–C bonds, but it reacts violently with any water.
Key point
Grignard reagent
Common mistake
using a Grignard reagent in a wet apparatus.
Memory tip
keep everything bone-dry — even a trace of water destroys a Grignard.
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