Homework Answers
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mmol density (g/ml) Mass () Volume (mL) 17.2 1. Complete the Table, excluding...
2. Why should all of the glassware and the magnesium used for the preparation of the...
2. Why should all of the glassware and the magnesium used for the preparation of the Grignard reagent be any 3. What is the role of the anhydrous calcium chloride used in this experiment? 4. Calculate the theoretical yield (in g) of diphenylmethanol in this experiment. Show your work. Bp, ("C) Mp, (°C) Mass mmol Molecular Weight Calmo 157.02 density (g/ml) Volume (mL) bromobenzene 1560 2.7 17.2 benzaldehyde 1.50 .04 106.12 | 178. 1 1 11.56 1.5 14.7 magnesium 0.4...
Compound Mol. Weight (g) mmol amount (in g or mL) melting point (°C) Density (g/mL) Ref....
Compound
Mol. Weight (g)
mmol
amount
(in g or mL)
melting point (°C)
Density
(g/mL)
Ref.
bromobenzene
157.01
4.00
0.628
n/a
1.491
1
magnesium powder
120.37
4.00
0.097
n/a
n/a
2
ethyl ether
74.12
n/a
5.00
n/a
0.706
3
benzophenone
182.22
3.8
0.692
47-51
n/a
4
triphenylmethanol
260.33
160-163
n/a
5
5% HCl (aq.)
36.46
n/a
2.00
n/a
n/a
6
With this information, what is the theoretical yield of
triphenylmethanol?
HO Br Mg MgBr ether ether bromobenzene benzophenone triphenylmethanol
2. Why should all of the glassware and the magnesium used for the preparation of the Grignard reagent be any 3. What is the role of the anhydrous calcium chloride used in this experiment? 4. Calculate the theoretical yield (in g) of diphenylmethanol in this experiment. Show your work. Bp, ("C) Mp, (°C) Mass mmol Molecular Weight Calmo 157.02 density (g/ml) Volume (mL) bromobenzene 1560 2.7 17.2 benzaldehyde 1.50 .04 106.12 | 178. 1 1 11.56 1.5 14.7 magnesium 0.4...
Compound
Mol. Weight (g)
mmol
amount
(in g or mL)
melting point (°C)
Density
(g/mL)
Ref.
bromobenzene
157.01
4.00
0.628
n/a
1.491
1
magnesium powder
120.37
4.00
0.097
n/a
n/a
2
ethyl ether
74.12
n/a
5.00
n/a
0.706
3
benzophenone
182.22
3.8
0.692
47-51
n/a
4
triphenylmethanol
260.33
160-163
n/a
5
5% HCl (aq.)
36.46
n/a
2.00
n/a
n/a
6
With this information, what is the theoretical yield of
triphenylmethanol?
HO Br Mg MgBr ether ether bromobenzene benzophenone triphenylmethanol
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