Question 1

Which of the following curved arrow representations (from the first image) correctly accounts for the resonance structures of the acetate ion?

Accepted Answer

3

Question 2

Which of the Newman projections (second image) does NOT represent 2-methylhexane?

Accepted Answer

3

Question 3

Which of the cyclohexane chair conformations (third image) represents the most stable conformation of cis-1-isopropyl-3-methylcyclohexane?

Accepted Answer

3

Question 4

Do the following pairs of Newman projections (fourth image) represent the same compound but in different conformations?

Accepted Answer

False

Question 5

In the cyclohexane chair conformation (fifth image), are the positions labeled 'a' and 'd' equatorial positions?

Accepted Answer

True

Question 6

On the potential energy diagram for 2-methylbutane (sixth image), which Roman numeral corresponds to the most stable (lowest energy) conformation?

Accepted Answer

II

Question 7

Which of the following Newman projections (seventh image) represents a staggered conformation of 2,3-dimethylbutane?

Accepted Answer

The first image

Question 8

Which of the following Newman projections (eighth image) represents an eclipsed conformation of 2,3-dimethylbutane?

Accepted Answer

The second image

Question 9

On the potential energy diagram for 2-methylbutane (ninth image), which Roman numeral corresponds to the highest energy conformation?

Accepted Answer

III

Question 10

Which of the following statements about the Newman projections (tenth and eleventh images) is correct?

Accepted Answer

The first is staggered, the second is eclipsed

Question 11

Which of the following best describes the relationship between the two Newman projections shown in the fourth image?

Accepted Answer

They are conformers

Question 12

Which of the following is true regarding the energy diagram for the rotation about the C–C bond in 2-methylbutane (sixth image)?

Accepted Answer

The lowest energy corresponds to the anti conformation

Organic Chemistry Exam 1 Study Guidance

스터디 가이드 - 연습 문제