ORGANIC CHEMISTRY 1 ACS 2024 FINAL EXAM QUESTIONS AND ELABORATE ANSWERS RECENT UPDATE FOR ACADEMIC YEAR . CHOICES AVAILABLE

ORGANIC CHEMISTRY 1 ACS 2024 FINAL EXAM
QUESTIONS AND ELABORATE ANSWERS RECENT
UPDATE FOR 2024-2025 ACADEMIC YEAR . CHOICES
AVAILABLE




QUESTION: Y, because the dipole moments do not fully cancel. - ANSWER-Which compound has the
higher boiling point? Explain briefly.

X, because the dipole moments are far apart.

Y, because the dipole moments do not fully cancel.

Y, because it is less branched.

X, because it is more linear.

QUESTION: sp, linear - ANSWER-Which is the correct hybridization state and geometry for the carbon
atom in HCN?

sp, linear

sp2, trigonal planar

sp3, tetrahedral

None of the above

QUESTION: sp2-sp3 - ANSWER-The indicated σ bond results from the overlap of which orbitals?

sp2-sp2

sp-sp3

sp-sp2

sp2-sp3

,QUESTION: Trigonal planar - ANSWER-Of the following molecular geometries, which has the largest
bond angle?

Pyramidal

Tetrahedral

Trigonal planar

Bent



QUESTION: 13 - ANSWER-How many σ bonds are in the following compound?

8

9

13

14

QUESTION: This structure has one positive charge and one negative charge. - ANSWER-The following
structure has been drawn without formal charges. Which statement describes the missing formal
charge(s)?

This structure has one positive charge and one negative charge.

This structure has one positive charge but no negative charges.

This structure has one negative charge but no positive charges.

This structure has no formal charges.




QUESTION: 6 - ANSWER-How many hydrogen atoms are in the compound represented by the following
bond-line drawing?

5

,6

7

8



QUESTION: D) 9 5 - ANSWER-The compound represented by the following bond-line drawing has how
many carbon atoms and how many π bonds?

C atoms

π bonds

(a)

10 6

(b)

10 5

(c)

96

(d)

95



QUESTION: C - ANSWER-All of the following are significant resonance structures of the benzyl
carbocation, EXCEPT:



QUESTION: A - ANSWER-Which of the following resonance structures is the most significant contributor
to the resonance hybrid?



QUESTION: D - ANSWER-Which of the following structures exhibits an sp3-hybridized nitrogen atom?



QUESTION: C - ANSWER-Which is a bond-line drawing of (CH3)2CHCH2OC(CH3)3?

, QUESTION: C - ANSWER-Which of the following has the correct curved arrow(s) placement to show
resonance for the given allylic carbocation?



QUESTION: A - ANSWER-Which of the following anions is resonance delocalized?



QUESTION: A - ANSWER-The following cation has a total of how many resonance structures?



QUESTION: D - ANSWER-Which of the following best represents the resonance hybrid of the given
anion?



QUESTION: B - ANSWER-Which of the following does NOT represent a pair of resonance structures?



QUESTION: C - ANSWER-What is the strongest base that is present after methyl magnesium bromide
(CH3MgBr) is treated with water?



QUESTION: The right side - ANSWER-Which side of the following equilibrium is favored?

The right side.

The left side.

Depends on temperature.

Cannot determine without more information.



QUESTION: C - ANSWER-All of the following are more acidic than water (H2O) EXCEPT:



QUESTION: D - ANSWER-All of the following are Lewis bases EXCEPT: