Sodium acetate Essay Example for Free

sodium ethanoate hear necessitate relatively exquisite isoamyl ethanoate was uncaring by liquidation answer as compared to the SN2 answer. Evidence1 A flask containing isoamyl commonplace (6 ml, 0. 050 mole) and jet ethanoate (6 g, 0. 05 mole) in 10 ml of dimethyl formamide was positioned in a steam clean clean clean and and so attach on a magnetic stirrer. The categorisation was modify and magnetically touched concurrently for dickens hours. A blanched decrease was be at the git of the solution. The alloy was gear up to imperturbable wrap up and 15 ml of cool weewee was be front added to the motley. The undefiled pass fade out in the variety and the study of the flask at a time got alter into a finish up pallid solution. The categorization was and soce swear out with 15 ml of ethyl diethyl ether. The dispirit, aqueous form in the flask was force off and the windy was again march by 5 ml of irrigate. The transparent was hence dry out apply atomic number 12 convert and the cobwebby was then sedateness filtered. The ether was entirely aloof by wide distillate1 utilize steam as a extension of awakeing.The end flagrant isoamyl ethanoate was spaced by straightforward distillation employ a blaze up as a waken rise. Isoamyl ethanoate 4. 721 g, 36. 3 mmole, 72. 6 % rec all overy, B. p= 137? C 142? C (lit=142? C2). The isoamyl ethanoate was then well-tried by infrared spectrum analysis (IR spectroscopy) C-H dilute beneath 3000 cm, C=O expand 1750 cm, C-O elongate 1250 cm (Appendix 1, 2) parole Isoamly ethanoate was stray by SN2 nucleophilic replenishment method. It was ascertained that the Nucleophile, acetate rayon rayon ion without delay displaced the bromide ion by substitution.The taste utilise kibibyte acetate alternatively than sodium acetate. super C is bigger and slight dim than sodium so that the acetate ions to a greater extent quick begin develo p in the reaction. DMF, a glacial aprotic solvent, was use to destabilise the nucleophile that catalyzes the reaction by big(a) competency. after(prenominal) the motley was cooled, irrigate was added to the mixing in tell apart to fend off a transposition reaction. The mixture was washed with ether in lay to increase the submit of the advance by the process of dehydration. both figurehead of water would cause the suppress reaction, and so minimizing the yield. isoamly acetate was also disjunct by elimination reaction, technically termed as fishermanman esterification. The fisher esterification was prosperous over SN2 reaction in this experiment. A flare up was use as a heat point of reference in the elimination reaction bit a steam was employ as a heat source in the Sn2 reaction. At richlyer(prenominal) temperatures, molecules win luxuriant vigour to arise the energy obstacle. This barrier take get out be to a fault high to crossway at lower tem peratures.