Complete the stoichiometry table using the starting values provided. molecular w

Question

Complete the stoichiometry table using the starting values provided.

molecular

weight

vol.

(mL)

theoretical product

molecular

weight

melting point of triphenylmethanol ...................... in degree celsius

Select the name of the catalyst used for this reaction, if there was no catalyst used, select none:

a) bromobnzene

b) magnesium

c) benzophenone

d) diethyl ether

e) none

Please clearly state step by step solution to show how you arrived with final answer. (your help will be so much for me if you can state step by step solution). Thanks!

reagent

molecular

weight

mass (g) mmoles equivalents density (g/mL

vol.

(mL)

bromobenzene 0.405 2.248 magnesium 1.397 xxxxxxxxxxx xxx benzophenone 1 xxxxxxxxxxx xxx diethyl ether 22.724

Explanation / Answer

Reagent table

Reagent                        MW           mass(g)       mmol         Eq           density (g/ml)        Vol (ml)

Bromobenzene             157            0.405           2.58         2.248           1.5                       0.27

magnesium                  24.3            0.039          1.60          1.397            -                           -

benzophenone            182.2           0.210          1.15           1.00             -                           -

diethylether                  74.12          1.900          0.026        22.274         0.713                    2.7  

Theoretical product

triphenylmethanol       MW       mass (g)      mmol

                                  260.3       0.300           1.15

Catalyst in the reaction,

None

1 mole of Mg reacts with 1 mole PhBr to form grignard reagent which reacts with 1 mole of benzophenone to forms the alcohol product.  

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