Aniline, C6H5NH2, is used to make many different chemicals, including dyes, photographic chemicals, antioxidants, explosives, and herbicides. It can be formed from nitrobenzene, C6H5NO2, in the following reaction with iron(II) chloride as a catalyst. 4 C6H5NO2 + 9 Fe + 4 H2O → 4 C6H5NH2 + 3 Fe3O4
Aniline, C6H5NH2, is used to make many different chemicals, including dyes, photographic chemicals, antioxidants, explosives, and herbicides. It can be formed from nitrobenzene, C6H5NO2, in the following reaction with iron(II) chloride as a catalyst. 4 C6H5NO2 + 9 Fe + 4 H2O → 4 C6H5NH2 + 3 Fe3O4
Chemistry for Engineering Students
4th Edition
ISBN:9781337398909
Author:Lawrence S. Brown, Tom Holme
Publisher:Lawrence S. Brown, Tom Holme
Chapter4: Stoichiometry
Section: Chapter Questions
Problem 4.96PAE
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Aniline, C6H5NH2, is used to make many different chemicals, including dyes, photographic chemicals, antioxidants, explosives, and herbicides. It can be formed from nitrobenzene, C6H5NO2, in the following reaction with iron(II) chloride as a catalyst.
4 C6H5NO2 + 9 Fe + 4 H2O → 4 C6H5NH2 + 3 Fe3O4
(a) Write a conversion factor that could be used to convert between moles of iron and moles of nitrobenzene. (Use the lowest possible whole number factors.)
(b) What is the minimum mass of iron that would be necessary to react completely with 875.2 g of nitrobenzene, C6H5NO2?
g
(c) Write a conversion factor that could be used to convert between moles of aniline and moles of nitrobenzene.
(d) What is the maximum mass of aniline, C6H5NH2, that can be formed from 875.2 g of nitrobenzene, C6H5NO2, with excess iron and water?
g
(e) Write a conversion factor that could be used to convert between moles of Fe3O4 and moles of aniline.
(f) What is the mass of Fe3O4 formed with the amount of aniline, C6H5NH2, calculated in part (d)?
g
(g) If 524.8 g of aniline, C6H5NH2, are formed from the reaction of 875.2 g of nitrobenzene, C6H5NO2, with excess iron and water, what is the percent yield?
%
| mol iron |
| mol nitrobenzene |
(b) What is the minimum mass of iron that would be necessary to react completely with 875.2 g of nitrobenzene, C6H5NO2?
g
(c) Write a conversion factor that could be used to convert between moles of aniline and moles of nitrobenzene.
| mol aniline |
| mol nitrobenzene |
(d) What is the maximum mass of aniline, C6H5NH2, that can be formed from 875.2 g of nitrobenzene, C6H5NO2, with excess iron and water?
g
(e) Write a conversion factor that could be used to convert between moles of Fe3O4 and moles of aniline.
| mol Fe3O4 |
| mol aniline |
(f) What is the mass of Fe3O4 formed with the amount of aniline, C6H5NH2, calculated in part (d)?
g
(g) If 524.8 g of aniline, C6H5NH2, are formed from the reaction of 875.2 g of nitrobenzene, C6H5NO2, with excess iron and water, what is the percent yield?
%
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