The traditional way of comparing reactions is by the percentage yield However, percentage yield takes no account of by-products. In order to decio which chemical process is greener, chemists have tried to develop ways measuring 'greenness'. One of the most common methods is the ato economy. Calculate the atom economy of the following reactions: (ii). CI, CI C- NAOH CL CI (iv). он 0.5 O2 Me catalyst Ph + H,0 Ph Me H (Ph = phenyl (-C.H5); and Me = methyl (-CH3)) (V). NO Ni (cat.) NH2 3H; 300 "C, 5 psi 2 H20

Chemistry
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ISBN:9781133611097
Author:Steven S. Zumdahl
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Chapter3: Stoichiometry
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Problem 164CP: Nitric acid is produced commercially by the Ostwald process, represented by the following equations:...
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The traditional way of comparing reactions is by the percentage yields.
However, percentage yield takes no account of by-products. In order to decide
which chemical process is greener, chemists have tried to develop ways of
measuring 'greenness'. One of the most common methods is the atom
economy. Calculate the atom economy of the following reactions:
(ii).
CI, CI
C-
NAOH
CL
CI
(iv).
он
0.5 O2
+ H,0
Me catalyst Ph
H
Ph
Me
(Ph = phenyl (-C.Hs); and Me = methyl (-CH3)
(V).
NO
Ni (cat.)
NH2
3H2
300 "C, 5 psi
2 H20
Transcribed Image Text:The traditional way of comparing reactions is by the percentage yields. However, percentage yield takes no account of by-products. In order to decide which chemical process is greener, chemists have tried to develop ways of measuring 'greenness'. One of the most common methods is the atom economy. Calculate the atom economy of the following reactions: (ii). CI, CI C- NAOH CL CI (iv). он 0.5 O2 + H,0 Me catalyst Ph H Ph Me (Ph = phenyl (-C.Hs); and Me = methyl (-CH3) (V). NO Ni (cat.) NH2 3H2 300 "C, 5 psi 2 H20
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