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Resonance, Conjugation and Diels-Alder Reactions

Total questions: 12

Worksheet time: 13mins

Name
Class
Date
1.

Cyclohex-2-ene-1-one has three additional resonance structures (shown). Rank them from most to least important.

a)
b)
c)
d)
1)
2)
3)
4)
2.

There are two pathways for the reaction of A: it can form D or E.

Which product will form FASTEST?

a)

D

b)

E

c)

Neither--both will form at the same rate

d)

Cannot be determined from the information given

3.

There are two pathways for the reaction of A: it can form D or E.

Which product is the most STABLE?

a)

D

b)

E

c)

Neither--both are equally stable

d)

Cannot be determined from the information given

4.

There are two pathways for the reaction of A: it can form D or E.

What are the best reaction conditions to form D?

a)

High T

b)

Low T

5.

There are two pathways for the reaction of A: it can form D or E.

What are the best reaction conditions to form E?

a)

High T

b)

Low T

6.

Which of the conjugated dienes shown is the MOST stable?

a)

b)

c)

d)

7.

Which of the compounds shown is NOT a conjugated diene?

a)

b)

c)

d)

8.

Which major product(s) are formed in the reaction shown? (Hint: Draw the mechanism!)

a)

I & V

b)

II & IV

c)

III & IV

d)

I, III, & VI

e)

II, IV & V

9.

Choose the conjugated diene(s)

a)
b)
c)
d)
10.

Choose the correct product for the Diels-Alder reaction

a)

b)

c)

d)

11.

What reactants will give the Diels-Alder product shown?

a)

b)

c)

d)

12.

Which diene and dienophile would react to give the Diels-Alder product shown?

a)

b)

c)

d)

e)