Organic Lab #10

Organic Lab #10 - Wong Benny 1 Experiment#10 Formation of...

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Wong, Benny Experiment #10 Formation of Dibenzalacetone Purpose The aim of the experiment is to form dibenzalacetone from benzaldehyde and acetone. Balanced Equations (CH 3 ) 2 CO + 2 C 6 H 5 CHO —————> C 17 H 14 O + 2H 2 O NaOH/EtOH Reaction Mechanisms Table 1: Physical Properties and Hazards of Chemicals used Molecular Formula Molecular Weight (g/mol) Boiling Point (ºC) Melting Point (ºC) Density (g/cm 3) Ill Effects Sodium Hydroxide NaOH 40.00 1388 318 2.13 Chemical burns and highly exothermic Ethanol CH 3 CH 2 OH 46.07 78.4 -114 0.789 Flammable and skin irritation Acetone (CH 3 ) 2 CO 58.08 56.5 -94.9 0.793 Flammable Water H 2 O 18.02 100 0 1.00 None Benzaldehyde C 6 H 5 CHO 106.1 178 -26 1.04 Skin irritant and slightly narcotic 1
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Wong, Benny Limiting Reagent The limiting reagent is neither. Mol reactant C 6 H 5 CHO Mol reactant (CH 3 ) 2 CO required Mol reactant (CH 3 ) 2 CO used Conclusion 0.008 0.004 0.004 Neither is in excess. 0.008 mol C
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Organic Lab #10 - Wong Benny 1 Experiment#10 Formation of...

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