ORGANIC CHEMISTRY I - CHEM 222 – Examination 4 – PRACTICE
Name:
(Last) (First) (Middle Initial)
Academic dishonesty: Students who are found to have committed an act of academic
dishonesty will be: (i) automatically given a grade of F with a note stating “Failed, due to
academic dishonesty” on their transcripts, and (ii) subjected to disciplinary actions
according to the school guidelines.
I certify that I have read this policy on academic dishonesty _______________________
Signature
READ INSTRUCTIONS CAREFULLY
• Do not open your exam until you are told to do so
• Partial credit will not be given on multiple choice questions (Part A)
• Partial credit may be given on questions in Part B
• This exam booklet contains 11 pages including this face page.
• There is a separate scantron answer sheet on which you mark your answers to multiple choice
questions.
• Make sure that you write your name and “Exam G” on the front page of the scantron answer
sheet. On the back of the scantron answer sheet, clearly write and “bubble” in your name.
There are TWO parts to this examination and Extra Credit questions.
I. Multiple Choice. (Do not answer here. Answer on the scantron answer sheet.) Each question is followed by
five suggested answers, i.e., A, B, C, D, and E. Select the one that is best in each case. Using #2 black lead
pencil, you must clearly mark your answer, either A, B, C, D, or E.
(subtotal) /40 pts
II. (subtotal) /50 pts
TOTAL /90 pts
1
, SECTION A [40 points] – Answer ALL questions in this section (4 points each)
Each question in this section is followed by five suggested answers, A, B, C, D and E. Select the one that is best
in each case. You must clearly put your answer either A, B, C, D or E in the designated area on the scantron
page.
1. The C≡C bond of an alkyne is composed of which bond types?
A) three anti-bonds
B) three σ bonds
C) two σ bonds and one π bond
D) one σ bond and two π bonds
E) three π bonds
2. For the reaction shown below, the resulting stereochemistry of the expected product is
best described as:
H2
Pt
A) only (S)
B) only (R)
C) racemic
D) meso
E) achiral
3. Which of the following reactions would NOT yield the final product as a racemic form?
A) Cyclohexene + D2/Pt
B) Cyclohexene + cold, dilute KMnO4 and OH-
C) Cyclohexene + HCl
D) Cyclohexene + Br2, CCl4
E) Cyclohexene + OsO4, then NaHSO3
4. Which of the following molecule(s) when treated with excess hydrogen and Pd catalyst
can give a molecule with a m/z peak in the mass spectrum at 86.
I II III
A) I
B) II
C) III
D) II and III
E) I and III
2
Name:
(Last) (First) (Middle Initial)
Academic dishonesty: Students who are found to have committed an act of academic
dishonesty will be: (i) automatically given a grade of F with a note stating “Failed, due to
academic dishonesty” on their transcripts, and (ii) subjected to disciplinary actions
according to the school guidelines.
I certify that I have read this policy on academic dishonesty _______________________
Signature
READ INSTRUCTIONS CAREFULLY
• Do not open your exam until you are told to do so
• Partial credit will not be given on multiple choice questions (Part A)
• Partial credit may be given on questions in Part B
• This exam booklet contains 11 pages including this face page.
• There is a separate scantron answer sheet on which you mark your answers to multiple choice
questions.
• Make sure that you write your name and “Exam G” on the front page of the scantron answer
sheet. On the back of the scantron answer sheet, clearly write and “bubble” in your name.
There are TWO parts to this examination and Extra Credit questions.
I. Multiple Choice. (Do not answer here. Answer on the scantron answer sheet.) Each question is followed by
five suggested answers, i.e., A, B, C, D, and E. Select the one that is best in each case. Using #2 black lead
pencil, you must clearly mark your answer, either A, B, C, D, or E.
(subtotal) /40 pts
II. (subtotal) /50 pts
TOTAL /90 pts
1
, SECTION A [40 points] – Answer ALL questions in this section (4 points each)
Each question in this section is followed by five suggested answers, A, B, C, D and E. Select the one that is best
in each case. You must clearly put your answer either A, B, C, D or E in the designated area on the scantron
page.
1. The C≡C bond of an alkyne is composed of which bond types?
A) three anti-bonds
B) three σ bonds
C) two σ bonds and one π bond
D) one σ bond and two π bonds
E) three π bonds
2. For the reaction shown below, the resulting stereochemistry of the expected product is
best described as:
H2
Pt
A) only (S)
B) only (R)
C) racemic
D) meso
E) achiral
3. Which of the following reactions would NOT yield the final product as a racemic form?
A) Cyclohexene + D2/Pt
B) Cyclohexene + cold, dilute KMnO4 and OH-
C) Cyclohexene + HCl
D) Cyclohexene + Br2, CCl4
E) Cyclohexene + OsO4, then NaHSO3
4. Which of the following molecule(s) when treated with excess hydrogen and Pd catalyst
can give a molecule with a m/z peak in the mass spectrum at 86.
I II III
A) I
B) II
C) III
D) II and III
E) I and III
2
