economy. Calculate the atom economy of the following reactions: (i). CH2 Ph3P-CH2 + Ph3P=0 (ii). он 200 °C (iii). CI CI .CI CI CI, .CI CI NaOH CI- CI CI

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Chapter1: Chemical Foundations
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Kindly answer this question i, ii, iii

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:
(i).
CH2
Ph3P-CH2.
+ Ph3P=0
(ii).
OH
200 °C
(iii).
CI, CI
CI
NAOH
CI
CI
(iv).
OH
0.5 O2
H20
`Me catalyst Ph
H
Ph
"Ме
(Ph = phenyl (-C6H5); and Me = methyl (-CH3))
(v).
NO2
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: (i). CH2 Ph3P-CH2. + Ph3P=0 (ii). OH 200 °C (iii). CI, CI CI NAOH CI CI (iv). OH 0.5 O2 H20 `Me catalyst Ph H Ph "Ме (Ph = phenyl (-C6H5); and Me = methyl (-CH3)) (v). NO2 Ni (cat.) NH2 3H2 300 °C, 5 psi 2 H20
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