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In: Chemistry

Bromination of Alkenes mass of trans-stilbene = 0.30g products are meso-1,2-dibromo-1,2-diphenylethane and with mp of 238...

Bromination of Alkenes
mass of trans-stilbene = 0.30g

products are meso-1,2-dibromo-1,2-diphenylethane and with mp of 238 deg C and 110 deg C

Molecular weight = 340.058 g/mole

mass of trans-cinnamic acid = 0.45g

Products are erythro-2,3-dibromo-3-phenylpropanoic acid, mp: 203 deg C and threo-2,3-dibromo-3-phenylpropanoic acid, mp:94 deg C

Molecular weight = 307.969 g/mole

10% Br2/CH2Cl2 = 2.0mL for both reactions

3.5 mL methylene chloride for both

1).

Mass of trans-stilbene

g

Mass of trans-stilbene Product

g

Theoretical Yield of trans-stilbene Product

g

Percent Yield of trans-stilbene Product

%

Melting Point of trans-stilbene Product

°C

Identity of trans-stilbene Product(s)

Mechanism for Bromination of trans-stilbene

2). Structure of trans-stilbene product(s):

3).

Mass of trans-cinnamic acid

g

Mass of trans- cinnamic acid Product

g

Theoretical Yield of trans- cinnamic acid Product

g

Percent Yield of trans- cinnamic acid Product

%

Melting Point of trans- cinnamic acid Product

°C

Identity of trans- cinnamic acid Product(s)

Mechanism for Bromination of trans- cinnamic acid

4). Structure of trans-cinnamic acid product(s):

Solutions

Expert Solution


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