18.4.3 Elimination Reactions

Question 1

Which of the following concepts of acids and bases provides the most comprehensive and general theory of acids and bases?

Answer 1

The Lewis concept

Question 2

Which carbon in the diagram below is the most electrophilic carbon in the molecule?

Answer 2

Carbon 3

Question 3

What is the type of bond cleavage that leads to proton release called?

Answer 3

Heterolytic cleavage

Question 4

In the reaction below which intermediate polyatomic ion acts as a nucleophile?

Answer 4

OCH3−

Question 5

Which of the following statements best summarizes the Brønsted-Lowry concept of acids and bases?

Answer 5

The Brønsted-Lowry concept defines acids and bases in terms of their ability to donate or accept protons.

Question 6

The molecule pictured below is best described as an:

Answer 6

alkene

Question 7

In which of the following hydrocarbons would you expect to find a π bond?

Answer 7

C2H4

Question 8

Choose the answer that best completes the following statement:

An ion or molecule that can donate electrons is referred to as a(n)__________.

Answer 8

nucleophile

Question 9

The carbocation pictured below can act as which of the following?

Answer 9

both as a Lewis acid and a Brønsted-Lowry acid

Question 10

Carbon-carbon pi (π) bonds are broken in all of the following organic reaction types except:

Answer 10

Elimination reactions