Stereochemistry Reaction and Solutions Exam Practice

Test 3

Name:

 

 

Chem 2010 Org I

9 Nov 2020

Answer all questions

  1. Draw the products, including stereochemistry (if any) formed in each reaction. 40 points

 

 

  1. Write down the IUPAC name of the following compounds: 25 ponts

 

 

 

 

 

 

 

 

 

 

 

 

 

 

  1. Complete the boxes first and then show the final products of the chart: 15

 

 

 

 

  1. (Multiple choices) 30 points

 

1.The major product of the reaction of 1,2-dibromopropane and excess NaNH2 is

 

(A) 2-propyne (B) 1-bromo-1-propene (C) 2-bromo-1-propene (D) 1-propyne

 

2. Alkynes may be formed directly via elimination from which of the following?

 

(A) Alcohols (B) 1-iodoalkenes (C) Alkanes (D) Alkanes

 

  1. The major product of the reaction of 1,2-dichlorocyclohexane and excess NaNH2 is

 

 

 

  1. Which of the following dibromides would yield 2-butyne upon elimination?

 

 

 

  1. Sodium borohydride and lithium aluminum hydride are

 

(A) Drying agents (B) Reducing agents (C) oxidizing agents (D) Lewis acids

 

 

  1. Which of the following will produce 4-methyl-2-pentyne?

 

word image 211

 

  1. Which of the following alkynes reacts with sodium amide?

 

 

 

  1. Predict the product of the reaction of 1-pentyne and excess Br2.

 

word image 212

 

  1. Identify the product of the following reaction.

 

 

 

 

 

 

  1. What is the best choice of reagent to accomplish the following transformation?

 

 

word image 963

  1. Which of the following would be a reasonable synthesis of 1-pentanol?

word image 964

A. I B. II C. III D. IV

 

12. Which of the following compounds has highest boiling point?

word image 965

A. I B. II C. III D. IV

  1. Which of the following alkynes can form nucleophile when treated with LiNH2?

 

 

  1. What is the predicted product in the following reaction?

 

  1. What is the product in the following reaction?

word image 966

 

  1. Give the IUPAC name of the following compound.

 

  1. Which of the alkenes react fastest with HCl?

 

word image 967

 

 

 

  1. What major product obtained from the following reaction?

 

 

 

 

 

 

  1. What is the hydrochlorination product of the reaction shown below?

 

 

 

 

 

  1. Which of the following alkenes is (E)-alkene?

 

 

 

 

 

 

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