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Why alcohols cannot be used as solvents ...

Why alcohols cannot be used as solvents with (a) Grignard reagent and (b) `LiAlH_(4)`.

Text Solution

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Alcohols are sufficiently acidic to react with strong bases `R^(-) : and H^(-)` :
`CH_(3)OH+H-overset(H)overset(|)underset(H)underset(|)C-MgX rarr CH_(4)+(CH_(3)O)-MgX`
`4CH_(3)OH+LiAlH_(4)rarr 4H_(2)+LiAl(OCH_(3))_(4)`
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