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17 September, 14:12

Gwhich is a better nucleophile in an aqueous solution? which is a better nucleophile in an aqueous solution? ro - rs - request answer part c which is a better nucleophile in dmso? which is a better nucleophile in? ro - rs-

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  1. 17 September, 17:56
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    In aqueous solution, the nucleophilicity depends on the factor that which can make stronger H-bonding as the one which make stronger H-bond will be more sterically hindered by solvent molecules, and its electrons are less available to donate to other atom, that makes it weak nucleophile. So between RO⁻ AND RS⁻, RO⁻ is weak nucleophile as O is more electronegative, smaller in size than S so make stronger H-bond and weak nucleophile.

    In DMSO, DMSO is aprotic solvent, so here no concept of H-bonding is required, RO⁻ is stronger nucleophile as O is more electronegative, smaller in size than S can donate electrons easily.
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