Electrophilic Aromatic Substitution

In the nitration of benzoic point, the sort of HNO3 plus H2SO4 and benzoic loony toons dissolved in H2SO4 was combined. Combining HNO3 and H2SO4 is an erosive- root word reaction which will be shown in the reactions to be shown. During the dis effect of benzoic acid solids, round unexpected reactions visibly occurred. White slimy and sticky ppts absorb to form which was unexpected from the reaction mixture. Both mixtures are fit(p) in an ice bath and when it was combined, the temperature of 0-10C was maintained. as the HNO3-H2SO4 solution was added, the tweed ppts seen was lessen but is still present in the mixture. The solution was visibly yellow in color. After addition, it was allowed to cool to means temperature. The mixture was added to crushed ice and then mixed. Until there was distinct granular ppts forming in the mixture. The ppt settled at the bottom and the eloquent in the mixture is light yellow in color. The mixture was filtered thru suction and the ppt was washed with cold dH2O.

Here is the acid-base reaction amidst nitric acid and sulfuric acid to form the nitronium ion.

Bronsted basebronsted acidconj. Acid+HSO4(conj base)

Based on bronsted definition, an acid is a proton donor and a base is a proton acceptor. Sulfuric acid is a stronger acid than nitric acid so it is the angiotensin-converting enzyme to be deprotonated.



While the resulting product of the base is the conjugate acid and the product of the acid is the conj base. (chang, R. 2005. Chemistry. 8th ed. McGraw-Hill companies, Inc.) Although sulfuric acid served as the acid in the reaction, it is also the catalyst in the over-all reaction. Water, disposed to N, is good leaving group so it is eliminated to form the nitronium ion.

The ppt was pass on recrystallized and purified. It was first dissolved in lively dH2O and then hot gravity filtration was performed. Many insoluble substances were isolated and cream in color. The filtrate collected is light clear yellow. As it was cooled to way temperature, crystals 5start to...If you want to get a full essay, order it on our website: Orderessay



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