what's finklestiens.. and swarts reaction
Answers
Swarts reaction and Finkelstein reactions are halogen exchange reactions that are associated with alkyl halides.
Swarts reaction: RX + MF → RF+ MX
where, RX represents alkyl chloride or alkyl bromide and MF represents metallic fluorides like AgF, Hg 2F2, CoF2 or SbF3
Finkelstein reaction is an SN2 reaction in which one halogen atom is replaced by another halogen atom.
CH3CH2Cl (acetone) + NaI (acetone) → CH3CH2I (acetone) + NaCl (s)
In this reaction, ethyl chloride (a primary alkyl halide) is treated with sodium iodide (the nucleophile) to produce ethyl iodide. Acetone is used as the solvent because NaI (being polar) is soluble in acetone (non-polar) while NaCl is not soluble. Thus acetone helps in shifting the equilibrium towards the right as NaCl precipitates out of the reaction mixture. According to Le Chatelier's principle, when a decrease in the concentration of a product (Na Cl) by removing it from the equilibrium (as precipitate) results in consumption of more reactants to restore the product concentration. When the precipitate is continuously removed, the equilibrium also continuously shift, producing more quantity of product, until the total quantity of reactants is consumed.
Answer:
Swarts Reaction. the replacement in organic compounds of, most often, chlorine by fluorine through the action of antimony trifluoride (SbF3). The reaction is usually carried out in the presence of Sb salts in which antimony displays an oxidation state of +5.
What is Finkelstein reaction of halogen exchange?
The Finkelstein reaction (often referred to as a halex reaction or halogen exchange) named after the German chemist Hans Finkelstein, is an SN2 reaction (Substitution Nucleophilic Bimolecular reaction) that involves the exchange of one halogen atom for another.
DIFFERENCE
Swarts reaction and Finkelstein reactions are halogen exchange reactions that are associated with alkyl halides. ... In this reaction, ethyl chloride (a primary alkyl halide) is treated with sodium iodide (the nucleophile) to produce ethyl iodide.
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