Organic Lab #7

Organic Lab #7 - Wong, Benny 1 Experiment #7 Nitration of...

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Wong, Benny Experiment #7 Nitration of Aromatic Compounds Purpose The aim of the experiment is to nitrate phenol to o - and p -nitrophenol. Balanced Equations C 6 H 6 O + HNO 3 —————> C 6 H 5 NO 3 + H 2 O (ortho or para) 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 Nitric acid HNO 3 63.01 83 -42 1.51 Extremely corrosive and explosive Phenol C 6 H 5 OH 94.11 181.7 40 1.07 Severe burns, and blindness Water H 2 O 18.02 100 0 1.00 None Hydrochlor ic Acid HCl 36.46 110 -27 1.18 Severe burns and blindness 1
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Wong, Benny Limiting Reagent The limiting reagent is phenol. Mol reactant C 6 H 5 OH Mol reactant HNO 3 required Mol reactant HNO 3 used Conclusion 0.011 0.011 0.031 HNO 3 is excess C 6 H 5 OH is limiting 0.011 mol C 6 H 5 OH* (1 mol HNO 3 / 1 mol C 6 H 5 OH) = 0.011 HNO 3 required Theoretical Yield Theoretical yield of nitrophenol is calculated. 0.011 mol C
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This note was uploaded on 02/16/2011 for the course CHEM 263 taught by Professor St-hilarie during the Spring '11 term at CUNY City.

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Organic Lab #7 - Wong, Benny 1 Experiment #7 Nitration of...

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