Phenacetin Recrystallization Flashcards Preview

Z - Chem 2229 (Organic Chemistry II Lab) > Phenacetin Recrystallization > Flashcards

Flashcards in Phenacetin Recrystallization Deck (9)
Loading flashcards...
1

What is the formula for the synthesis of last week's product?

Acetaminophen + Bromoethane → Phenacetin

2

What is the structure of acetaminophen?

Benzene, OH opposite to a NH with ketone attached (2 carbons)

3

What is the structure of bromoethane?

CH2CH3Br

4

What is the structure of phenacetin?

Benzene, NH with ketone attached (2 carbons) opposite to OCH2CH3

5

What is the formula for theoretical yield?

Grams Reactant * 1/MM Reactant * Mole Ratio * MM Product

6

What is the formula for percent yield? What about for hot solubility yield?

Actual/Theoretical * 100

mL*(hot sol) - mL(cold sol) over grams times 100

7

What is the formula for percent error?

Expected-Measured over Expected *100

8

What is the purpose of the brine/NaCl?

prevent emulsions and force out H2O

9

What is the purpose of the sodium sulfate (Na2SO4)?

drying agent with high capacity and medium rate, forms sodium sulfate hydrate (a solid) to remove water