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Unformatted text preview: ALKYLATION REPORT FORMAT REACTION TABLE: Reactant/Produc t Names formula MW (g/mol ) density(g/cm 3 ) mL g mol LR 1 T. yield (g) Literature m.p./b.p. ( o C) m-xylene C8H10 106.16 0.86 1.2 1.03 2 .0097 No n/a-48 / 139 t-butyl chloride C4H9Cl 92.57 0.84 1.0 0.84 .0091 Yes n/a-26 / 51 t-butyl-m-xylene C12H1 8 163.29 0.86 n/a 0.67 7 .00415 n/a 1.5-18 / 205 - 206 My calcs for LR and T yield: Moles of m-xylene 0.86 g/mL x 1 mol/163.16 g x 1.2 mL = .0097 mol Moles of t-butyl chloride 0.84 g/mL x 1 mol/92.57 g x 1.0 mL = .0091 mol 1:1 ratio so limiting reactant is t-butyl chloride T. yield .0091 mol product x 163.29 g/mol = 1.486 g Which is about 1.5 grams accounting for significant figures in the value of the density of t-butyl chloride. RESULTS Exptl b.p. ( o C) Yield a (g) Appearanc e % Yield t-butyl-m- xylene 140 0.677 Clear liquid 45 % I. Discussion 29 points There are three possible, mono-alkylated (tert-butyl) products, all of which are tri-substituted benzenes; the starting material, meta-xylene, is a di-substituted xylene. Your challenge is to interpret your IR and determine starting material, meta-xylene, is a di-substituted xylene....
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