2024 Final Exam multiple choice with
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
sp, linear
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.
This structure has one positive charge and one negative charge.
The indicated σ bond results from the overlap of which orbitals?
sp2-sp2
sp-sp3
sp-sp2
sp2-sp3
sp2-sp3
,Of the following molecular geometries, which has the largest bond
angle?
Pyramidal
Tetrahedral
Trigonal planar
Bent
Trigonal planar
How many σ bonds are in the following compound?
8
9
13
14
13
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.
Y, because the dipole moments do not fully cancel.
How many hydrogen atoms are in the compound represented by
the following bond-line drawing?
5
, 6
7
8
6
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
D) 9 5
All of the following are significant resonance structures of the
benzyl carbocation, EXCEPT:
C
Which of the following resonance structures is the most significant
contributor to the resonance hybrid?