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Dielectric Constant

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  • The dielectric constant (symbol: ε) of a solvent is a measure of its polarity. The higher the dielectric constant of a solvent, the more polar it is.


    The dipole moment of water is higher than that of methanol; water is more polar than methanol. One practical consequence is a covalent solute dissociates into ions to a greater extent in water than in methanol.

    equilibrium constant for dissociation of MX : Kdis

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