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Can we use nucleophiles such as NH_(3),CH_(3)O for the Nucleophilic substitution of alcohols. |
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Answer» Solution :Increasing order of nucelophilicity, `NH_(3) lt -OH^(o+)lt CH_(3)O^(Θ-)` Higher electron density will increase the nucelophilicity. Negatively chrged species are almost ALWAYS more nucelophiles than neutral species. `RO^(Θ) ` has an alkyl group ATTACHED, allowing a greater amount of polarizability. This means oxygen.s lone pairs will be more readily available to REACH in `RO^(Θ)` than in `OH^(Θ)`. Hence `CH_(3)O^(-)` is the BETTER nucelophile for the nucleophilic substitution of alcohols. `NH_(3)` cannot act as nucelophile for the nucleophilic substitution of alcohols. |
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