ORGANIC CHEMISTRY 1 ACS
QUESTIONS FINAL EXAM
sp, linear - Correct Answers -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
This structure has one positive charge and one negative charge. - Correct Answers -
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.
sp2-sp3 - Correct Answers -The indicated σ bond results from the overlap of which
orbitals?
sp2-sp2
sp-sp3
sp-sp2
sp2-sp3
Trigonal planar - Correct Answers -Of the following molecular geometries, which has the
largest bond angle?
Pyramidal
Tetrahedral
Trigonal planar
Bent
13 - Correct Answers -How many σ bonds are in the following compound?
8
9
13
14
, Y, because the dipole moments do not fully cancel. - Correct Answers -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.
6 - Correct Answers -How many hydrogen atoms are in the compound represented by
the following bond-line drawing?
5
6
7
8
D) 9 5 - Correct Answers -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
C - Correct Answers -All of the following are significant resonance structures of the
benzyl carbocation, EXCEPT:
A - Correct Answers -Which of the following resonance structures is the most significant
contributor to the resonance hybrid?
D - Correct Answers -Which of the following structures exhibits an sp3-hybridized
nitrogen atom?
C - Correct Answers -Which is a bond-line drawing of (CH3)2CHCH2OC(CH3)3?
C - Correct Answers -Which of the following has the correct curved arrow(s) placement
to show resonance for the given allylic carbocation?
A - Correct Answers -Which of the following anions is resonance delocalized?
A - Correct Answers -The following cation has a total of how many resonance
structures?
QUESTIONS FINAL EXAM
sp, linear - Correct Answers -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
This structure has one positive charge and one negative charge. - Correct Answers -
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.
sp2-sp3 - Correct Answers -The indicated σ bond results from the overlap of which
orbitals?
sp2-sp2
sp-sp3
sp-sp2
sp2-sp3
Trigonal planar - Correct Answers -Of the following molecular geometries, which has the
largest bond angle?
Pyramidal
Tetrahedral
Trigonal planar
Bent
13 - Correct Answers -How many σ bonds are in the following compound?
8
9
13
14
, Y, because the dipole moments do not fully cancel. - Correct Answers -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.
6 - Correct Answers -How many hydrogen atoms are in the compound represented by
the following bond-line drawing?
5
6
7
8
D) 9 5 - Correct Answers -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
C - Correct Answers -All of the following are significant resonance structures of the
benzyl carbocation, EXCEPT:
A - Correct Answers -Which of the following resonance structures is the most significant
contributor to the resonance hybrid?
D - Correct Answers -Which of the following structures exhibits an sp3-hybridized
nitrogen atom?
C - Correct Answers -Which is a bond-line drawing of (CH3)2CHCH2OC(CH3)3?
C - Correct Answers -Which of the following has the correct curved arrow(s) placement
to show resonance for the given allylic carbocation?
A - Correct Answers -Which of the following anions is resonance delocalized?
A - Correct Answers -The following cation has a total of how many resonance
structures?
