Question

Explain the effect of “solvent polarity” on the \lambda max with suitable example.

Answer 1

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Nonpolar solvents: However diethyl ether (Et2O) is a common solvent for Grignard reactions; its lone pairs are Lewis basic and can help to solvate the Mg cation. “Borderline” Polar aprotic solvents. These solvents have moderately higher dielectric constants than the nonpolar solvents (between 5 and 20).

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