Question 1

What is the smallest cycloalkyne that is stable at room temperature?

Accepted Answer

A)  cyclohexyne 
B)  cyclononyne 
C)  cyclododecyne 
D)  cycloeicosyne 
A)  cyclohexyne 
B)  cyclononyne 
C)  cyclododecyne 
D)  cycloeicosyne B

Question 2

Acetylene (ethyne) is more acidic and has a shorter carbon to carbon bond than either ethane or ethene.

Accepted Answer

A) True 
 B)False  True

Question 3

What is the best choice of reagent(s) to perform the following transformation?

Accepted Answer

A)  H2/Lindlar catalyst 
B)  Na/NH3 
C)  (sia)2BH; followed by H2O2, NaOH 
D)  BH3; followed by H2O2, NaOH 
A)  H2/Lindlar catalyst 
B)  Na/NH3 
C)  (sia)2BH; followed by H2O2, NaOH 
D)  BH3; followed by H2O2, NaOH C

Question 4

The product of the following reaction would be an aldehyde.

Accepted Answer

A) True 
 B)False

Question 5

Which of the following reagents react with 2-butyne to form butane

Accepted Answer

A)  H2/Lindlar catalyst 
B)  H2/Pd 
C)  (sia)2BH followed by CH3COOH 
D)  Na/NH3 
A)  H2/Lindlar catalyst 
B)  H2/Pd 
C)  (sia)2BH followed by CH3COOH 
D)  Na/NH3

Question 6

What is the major organic product obtained from the following reaction?

Accepted Answer

The answer of What is the major organic product obtained...

Question 7

What is IUPAC name of the following compound?

Accepted Answer

(R)-4-chlo

Question 8

What is the major organic product obtained from the following reaction?

Accepted Answer

A)  1 
B)  2 
C)  3 
D)  4 
A)  1 
B)  2 
C)  3 
D)  4

Question 9

What is the major organic product obtained from the following reaction?  $\stackrel{2 \mathrm{~mol} \mathrm{Br}_{2}}{\longrightarrow}$

Accepted Answer

A)  3,4-dibromohexane 
B)  3,3-dibromohexane 
C)  (Z) 3,4-dibromohexene 
D)  3,3,4,4-tetrabromohexane 
A)  3,4-dibromohexane 
B)  3,3-dibromohexane 
C)  (Z) 3,4-dibromohexene 
D)  3,3,4,4-tetrabromohexane

Question 10

What is the major organic product obtained from the following reaction?

Accepted Answer

A)  cyclohexyne 
B)  1,3-cyclohexadiene 
C)  cyclohexene 
D)  1,2-diaminocyclohexane 
A)  cyclohexyne 
B)  1,3-cyclohexadiene 
C)  cyclohexene 
D)  1,2-diaminocyclohexane

Question 11

What is the major organic product obtained from the following reaction?

Accepted Answer

A)  1 
B)  2 
C)  3 
D)  4 
A)  1 
B)  2 
C)  3 
D)  4

Question 12

What is the product obtained from the following organic reaction? ​

Accepted Answer

A) 
  
B) 
  
C) 
  
D) 
  
A) 
  
B) 
  
C) 
  
D)

Question 13

What is IUPAC name of the following compound?

Accepted Answer

(S)-2-chlo

Question 14

Consider an unknown with the molecular formula C4H6. The index of hydrogen deficiency of this compound is _____.

Accepted Answer

Question 15

What is the major organic product obtained from the following reaction?

Accepted Answer

A)  1 
B)  2 
C)  3 
D)  4 
A)  1 
B)  2 
C)  3 
D)  4

Question 16

What is the major organic product obtained from the following reaction?

Accepted Answer

The answer of What is the major organic product obtained...

Question 17

How many terminal alkynes are there with the molecular formula C7H12?

Accepted Answer

A)  5 
B)  7 
C)  8 
D)  9 
A)  5 
B)  7 
C)  8 
D)  9

Question 18

What is the best choice of reagent(s) to perform the following transformation?

Accepted Answer

A)  H2/Pt 
B)  H2/Lindlar catalyst 
C)  Na/NH3 
D)  BH3; followed by H2O2, NaOH 
A)  H2/Pt 
B)  H2/Lindlar catalyst 
C)  Na/NH3 
D)  BH3; followed by H2O2, NaOH

Question 19

What is the best choice of reagent(s) to perform the following transformation?

Accepted Answer

A)  1 mol of Br2 
B)  2 mol of Br2 
C)  1 mol of HBr 
D)  2 mol of HBr 
A)  1 mol of Br2 
B)  2 mol of Br2 
C)  1 mol of HBr 
D)  2 mol of HBr

Question 20

The product of the reaction when the following substance is treated with BH3 in THF followed by H2O2 would be a ketone.

Accepted Answer

A) True 
 B)False

Exam 7: Alkynes

What is the smallest cycloalkyne that is stable at room temperature?

Acetylene (ethyne) is more acidic and has a shorter carbon to carbon bond than either ethane or ethene.

What is the best choice of reagent(s) to perform the following transformation?

The product of the following reaction would be an aldehyde.

Which of the following reagents react with 2-butyne to form butane

What is the major organic product obtained from the following reaction?

What is IUPAC name of the following compound?

What is the major organic product obtained from the following reaction?

What is the major organic product obtained from the following reaction? ⟶2 molBr2\stackrel{2 \mathrm{~mol} \mathrm{Br}_{2}}{\longrightarrow}⟶2 molBr2​​

What is the major organic product obtained from the following reaction?

What is the major organic product obtained from the following reaction?

What is the product obtained from the following organic reaction? ​

What is IUPAC name of the following compound?

Consider an unknown with the molecular formula C4H6. The index of hydrogen deficiency of this compound is _____.

What is the major organic product obtained from the following reaction?

What is the major organic product obtained from the following reaction?

How many terminal alkynes are there with the molecular formula C7H12?

What is the best choice of reagent(s) to perform the following transformation?

What is the best choice of reagent(s) to perform the following transformation?

The product of the reaction when the following substance is treated with BH3 in THF followed by H2O2 would be a ketone.

Covalent Bonding and Shapes of Molecules

Alkanes and Cycloalkanes

Stereoisomerism and Chirality

Acids and Bases

Alkenes: Bonding, Nomenclature, and Properties

Reactions of Alkenes

Haloalkanes, Halogenation, and Radical Reactions

Nucleophilic Substitution and Beta-Elimination

Alcohols

Ethers, Epoxides, and Sulfides

Infrared Spectroscopy

Nuclear Magnetic Resonance Spectroscopy

Mass Spectrometry

An Introduction to Organometallic Compounds

Aldehydes and Ketones

Carboxylic Acids

Functional Derivatives of Carboxylic Acids

Enolate Anions and Enamines

Dienes, Conjugated Systems, and Pericyclic Reactions

Benzene and the Concept of Aromaticity

Reactions of Benzene and Its Derivatives

Amines

Catalytic Carbon-Carbon Bond Formation

Carbohydrates

Lipids

Amino Acids and Proteins

Nucleic Acids

Organic Polymer Chemistry

Filters

What is the major organic product obtained from the following reaction? $What is the major organic product obtained from the following reaction? \stackrel{2 \mathrm{~mol} \mathrm{Br}_{2}}{\longrightarrow}$ $\stackrel{2 \mathrm{~mol} \mathrm{Br}_{2}}{\longrightarrow}$

What is the product obtained from the following organic reaction?

Consider an unknown with the molecular formula C₄H₆. The index of hydrogen deficiency of this compound is _____.

How many terminal alkynes are there with the molecular formula C₇H₁₂?

The product of the reaction when the following substance is treated with BH₃ in THF followed by H₂O₂ would be a ketone.