Question 1

Which of the following is a correct statement considering thermodynamic versus kinetic control of organic reactions?

Accepted Answer

When the products are in equilibrium under the reaction conditions, the relative amounts of products depend on their stabilities, and the reaction is under thermodynamic control. During the reaction, the reaction may follow a kinetic pathway where the reaction proceeds through a high-energy intermediate to form the kinetic product. Alternatively, the reaction may follow a thermodynamic pathway where the reaction proceeds through a lower energy intermediate to form the more stable thermodynamic product. At equilibrium, the thermodynamic product is typically favored over the kinetic product. Therefore, choice D is the correct statement.

Question 2

What is/are the product(s)from the following reaction?

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Question 3

Why is phenol a stronger acid than cyclohexanol?

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Question 4

Which of the following is/are the main product(s)of the following reaction? CH₂ CH-CH CH₂ ?

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Question 5

Provide the structure of the major product which results from 1,4-addition of Br₂ to the diene shown below.

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Question 6

Provide the major organic product.

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Question 7

Give the major organic product for the reaction.

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Question 8

Which of the following is/are the major product(s)of the following reaction?

Accepted Answer

The reactant is a tertiary alcohol and is subjected to acidic conditions and heating, which suggests that the reaction is an E1 mechanism. This means that the leaving group, OH-, departs before the carbocation intermediate is formed. The carbocation can rearrange through hydride or alkyl shifts if it stabilizes it. In this case, the carbocation can rearrange through a hydride shift to form a more substituted carbocation, which is stabilized by the adjacent double bond. The more substituted carbocation will then react with the nucleophilic iodide ion to form the major product, II, 2-iodo-2-methylbutane. The other products, I and III, are minor products resulting from the elimination and rearrangement steps of the reaction, respectively.

Question 9

Give the major organic product for the reaction.

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Question 10

Draw the product(s)for the reaction.

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Question 11

What is/are the product(s)from the following reaction?

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Question 12

What is the thermodynamic product for the following reaction?

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Question 13

What is/are the product(s)of the following reaction?

Accepted Answer

The given reaction involves the reaction of two molecules of iodine with one molecule of acetaldehyde in the presence of hydrochloric acid. 
I. The first product is 2-iodoacetaldehyde, which is formed by the substitution of one hydrogen atom of acetaldehyde with one iodine atom. This is represented by the following equation:
CH3CHO + I2 + HCl → CH3CHOI + HI + H2O
II. The second product is iodine monochloride (ICl), which is formed by the reaction of iodine with hydrochloric acid. This is represented by the following equation:
I2 + HCl → ICl + HI
III. The third product is diiodine dihydrochloride, which is formed by the reaction of iodine with excess hydrochloric acid. This is represented by the following equation:
I2 + 2 HCl → I2·2HCl
Therefore, the correct answer is E.

Question 14

What is the kinetic product for the following reaction?

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Question 15

What compound results from the 1,4-addition of one equivalent of HBr to 1,3-butadiene?

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Question 16

Provide the structure of the major product which results from 1,2-addition of HBr to the diene shown below.

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Question 17

Give the major organic product(s)for the reaction.You may choose more than one answer.

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Question 18

What is/are the product(s)from the following reaction?

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Question 19

What are the products from the following reaction?

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Question 20

Give the major organic product(s)for the reaction.You may choose more than one answer.

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Quiz 8: Delocalized Electrons: Their Effect on Stability, pka, and the Products of a Reaction - Aromaticity and Electronic Effects: an Introduction to the Reactions of Benzene

Which of the following is a correct statement considering thermodynamic versus kinetic control of organic reactions?

What is/are the product(s) from the following reaction?

Why is phenol a stronger acid than cyclohexanol?

Which of the following is/are the main product(s) of the following reaction? CH₂ CH-CH CH₂ ?

Provide the structure of the major product which results from 1,4-addition of Br₂ to the diene shown below.

Provide the major organic product.

Give the major organic product for the reaction.

Which of the following is/are the major product(s) of the following reaction?

Give the major organic product for the reaction.

Draw the product(s)for the reaction.

What is/are the product(s) from the following reaction?

What is the thermodynamic product for the following reaction?

What is/are the product(s) of the following reaction?

What is the kinetic product for the following reaction?

What compound results from the 1,4-addition of one equivalent of HBr to 1,3-butadiene?

Provide the structure of the major product which results from 1,2-addition of HBr to the diene shown below.

Give the major organic product(s) for the reaction.You may choose more than one answer.

What is/are the product(s) from the following reaction?

What are the products from the following reaction?

Give the major organic product(s) for the reaction.You may choose more than one answer.

Quiz 8: Delocalized Electrons: Their Effect on Stability, pka, and the Products of a Reaction - Aromaticity and Electronic Effects: an Introduction to the Reactions of Benzene

Which of the following is a correct statement considering thermodynamic versus kinetic control of organic reactions?

What is/are the product(s) from the following reaction?

Why is phenol a stronger acid than cyclohexanol?

Which of the following is/are the main product(s) of the following reaction? CH2 CH-CH CH2 ?

Provide the structure of the major product which results from 1,4-addition of Br2 to the diene shown below.

Provide the major organic product.

Give the major organic product for the reaction.

Which of the following is/are the major product(s) of the following reaction?

Give the major organic product for the reaction.

Draw the product(s)for the reaction.

What is/are the product(s) from the following reaction?

What is the thermodynamic product for the following reaction?

What is/are the product(s) of the following reaction?

What is the kinetic product for the following reaction?

What compound results from the 1,4-addition of one equivalent of HBr to 1,3-butadiene?

Provide the structure of the major product which results from 1,2-addition of HBr to the diene shown below.

Give the major organic product(s) for the reaction.You may choose more than one answer.

What is/are the product(s) from the following reaction?

What are the products from the following reaction?

Give the major organic product(s) for the reaction.You may choose more than one answer.

Which of the following is/are the main product(s) of the following reaction? CH₂ CH-CH CH₂ ?

Provide the structure of the major product which results from 1,4-addition of Br₂ to the diene shown below.