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Grignard Synthesis

why is sodium...

Question

why is sodium ethoxide a stronger base than sodium hydroxide?

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Solution

Basicity is the ability to absorb proton. The acidity of base increases if the conjugate acid is weaker and vice versa.

H⁺ + ^-OC₂H₅ = HOC₂H₅
H⁺ + ^-OH = H₂O
Conjugate acid of ethoxide (^-OC₂H₅) is ethanol and that of OH^- is H₂O. Now water is more acidic than ethanol. So it will remain ionise more than that of ethanol.

Thus sodium ethoxide is more basic than NaOH.

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