Exam 1 - teacher Zachary Katsamanis PDF

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teacher Zachary Katsamanis...

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2/12/2021

https://organic.cc.stonybrook.edu/che322-21/oscerfolio/example_002.php

Mini-exam 1b Exam 2

CHE 322 Organic Chemistry II Spring 2021

Mini-exam 1 for 10:30am lecture session only. This exam will end at 11:30am.

Question 1 ( 5 points ) Arrange the following dienes in order of increasing reactivity in a Diels-Alder reaction by typing in the numbers underneath them. For example, an answer of 1234 would indicate that you think 1 is least reactive and 4 is most reactive (with 4 being more reactive than 3 and so forth). (5 points)

Enter Your Answer:

Question 2 ( 5 points ) How many pairs of degenerate p molecular orbitals do you expect for the following cation? (5 points)

Enter Your Answer:

Question 3 ( 5 points ) Which of the following are considered aromatic? (5 points)

Enter Your Answer:

A

B

C

D

E

F

G

Question 4 https://organic.cc.stonybrook.edu/che322-21/oscerfolio/example_002.php

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2/12/2021

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( 5 points ) Choose the reactant(s) that would give the product shown as the major one of the following Diels-Alder reaction. (5 points)

Enter Your Answer:

A

B

C

D

E

F

Question 5 ( 5 points ) Draw a good resonance structure that illustrates the p electron-withdrawing effect of the carbonyl group from the pentadienyl anion shown below. (5 points)

You do not need to draw curved arrows.

Question 6 ( 5 points ) Draw the major product of the following Diels-Alder reaction. The reaction produces a pair of enantiomers but only provide one of those enantiomers. Show wedged or dashed bonds where appropriate. (5 points)

Question 7 https://organic.cc.stonybrook.edu/che322-21/oscerfolio/example_002.php

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2/12/2021

https://organic.cc.stonybrook.edu/che322-21/oscerfolio/example_002.php

( 5 points ) Draw the thermodynamic product of the following addition reaction that utilizes deuterium labeled hydrobromic acid. (5 points)

Question 8 ( 5 points ) Draw the reactant X that would complete the following sequence of reactions. Provide compound X only. (5 points)

Printed: Friday 12th of February 2021.

https://organic.cc.stonybrook.edu/che322-21/oscerfolio/example_002.php

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