What is the number of moles of water molecules required to prepare n moles of methane from n moles of methyl magnesium iodide?
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Logic Tip: The highly polar $C-Mg$ bond makes the alkyl group a strong nucleophile and a very strong base. It will abstract a single proton ($H^+$) from exactly one molecule of water to form the alkane. The $1:1$ ratio applies universally to simple monohalide Grignard reagents and water.