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Organic Chemistry

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10 Jul 2012 09:55:39 IST

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organic chemistry

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Methyl bromine + Nu-(nucleophile having -ve charge) ---> CH3Nu + BrThe decreasing order of rate of above rxn with nucleophile Nu (A to d)(A) Pho (-ve)(B) Aco (-ve)(C) OH (-ve)(D) CH3O (-ve)

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Madhusudan Chavan

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10 Jul 2012 19:44:18 IST

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The relative nucleophilicities of some important nucleophiles in SN2 reactions on methyl bromide follow the sequence

:CN > I > CH3CH2O > :OH > C6H5O > Cl > (CH3)3N > CH3COO > H2O > F

The greater the nucleophilicity of a nucleophile, the more rapid should be its SN2 reaction

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