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Rates of reactions of halogenoalkanes
Member rating: No Rating | Words: 956 | Submitted: Mon Mar 17 2008
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AS: ASSESSED PRACTICAL CHEMISTRY (Skill P) Rates of reactions of halogenoalkanes The relative rates of the reaction are observed by adding silver nitrate to the reaction mixture and timing the first appearance of the silver halide precipitate. This is the equation of hydrolysis of halogenoalkanes by aqueous silver nitrate. The X represents the halogen, e.g.; I, Br, Cl or halide I- , Br-, and Cl- The reaction below will be the same for all halogens. You just need to replace the halogen or halide, with any of the above. CH3 CH2 X + OH- CH3 CH2 OH + X- Ag+(aq) + X- (aq) AgX Nucleophilic Substitution of a halogenoalkane: *the bromine halogen can be replaced with any other halogen Prediction: I predict that the reactivity of the halogenoalkanes with AgNO3 is; *R = represents an alkyl group Most Reactive Least Reactive R-I> R-Br> R-Cl So I predict that alkyl iodide will have the fastest rate of reaction than alkyl bromide than alkyl chloride being...
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