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Resonance Structures in Organic Chemistry Worksheet, Exercises of Organic Chemistry

University of the West (Uwest)Organic Chemistry

Drawing reasonable resonance structures worksheet with answer key. This exercise is part of CHEM 343: Introductory Organic Chemistry, University of Wisconsin-Madison

Typology: Exercises

2020/2021

Uploaded on 04/19/2021

shailen_555cell
shailen_555cell 🇺🇸

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Practice(on(Resonance(Structures(/(Answers(
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1. For(each(of(the(following(draw(reasonable(resonance(structures.(
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a) O3
b) CH3CNO
c) CH3NCO
e) CH3NCS
d) CH3SCN
O
O
OO
O
O
H3C C N O H3C C N O
H3C N C OH3C N C O
H3C S C N H3C S C N
H3C N C S H3C N C S
H3C C N O
-2
very low contributing resonance
H3C N C O
H3C S C N
+2 -2
very low contributing resonance
H3C N C S
pf2

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Download Resonance Structures in Organic Chemistry Worksheet and more Exercises Organic Chemistry in PDF only on Docsity!

Practice on Resonance Structures -­‐ Answers

1. For each of the following draw reasonable resonance structures.

a) O 3

b) CH 3 CNO

c) CH 3 NCO

e) CH 3 NCS

d) CH 3 SCN

O

O

O O

O

O

H 3 C C N O H 3 C^ C^ N^ O

H 3 C N C O H 3 C N C O

H 3 C S C N H 3 C S C N

H 3 C N C S H 3 C^ N^ C^ S

H 3 C C N O

very low contributing resonance

H 3 C N C O

H 3 C S C N

very low contributing resonance H 3 C N C S

2. Draw reasonable resonance structures for each of the following molecular

structures.

N N C

C

CH 3

O

CH 3

O O

a) O C S

b) N N O

N N C

C

CH 3

O

CH 3

c)

d)

O O

O C S O C S

N N O N N O

N N C

C

CH 3

O

CH 3

O O

e) O O O O O O g) N (^) N O N N O N N O N (^) N O h) N B H H N B H H N B H H N B H H O O O O

f)

O N O O N O O N O O N

O

Prepared by José Laboy