Question 1

To produce butanone, which of the following should be reacted with Na2Cr2O7(aq),H2SO4(aq)?

Accepted Answer

A)  CH3CH2CH(OH)CH3  
B)  CH3CH2CH(COOH)CH3  
C)  CH3CH2CH(CH2OH)CH3  
D)  (CH3)2CHCHO 
E)  CH3CH2CH2CH2OH 
A)  CH3CH2CH(OH)CH3  
B)  CH3CH2CH(COOH)CH3  
C)  CH3CH2CH(CH2OH)CH3  
D)  (CH3)2CHCHO 
E)  CH3CH2CH2CH2OH A

Question 2

By what type of mechanism do alkanes undergo substitution reactions?

Accepted Answer

Radical chain mechanism reactions.

Question 3

When 2-methyl-1-butene reacts with HBr,the reaction occurs in two steps.Draw the structure of the intermediate.(Hint: Intermediate carbocations are most stable when formed at tertiary carbons.)

Accepted Answer

CH₃C⁺(CH₃)CH₂CH₃

Question 4

Which of the following is optically active?

Accepted Answer

A)  CH3CHClBr 
B)  (CH3)2C(NH2)COOH 
C)  CH3CH2CH(NH2)COOH 
D)  NH2CH2COOH 
E)  Both A and C are optically active. 
A)  CH3CHClBr 
B)  (CH3)2C(NH2)COOH 
C)  CH3CH2CH(NH2)COOH 
D)  NH2CH2COOH 
E)  Both A and C are optically active.

Question 5

Consider the reaction
CH3(CH2)4CH2CH(Br)CH3 + NaOH $\rarr$ CH3(CH2)4CH2CH(OH)CH3
(optically pure enantiomer)
The rate law for this reaction over a wide range of [OH-] is R = k1[RX] + k2[RX][OH-] where RX is 2-bromooctane and k2/k1 = 20.
At very low hydroxide ion concentration,

Accepted Answer

A)  the product of the reaction does not rotate the plane of polarized light. 
B)  the product formed is CH3(CH2)4CH=CHCH3 and not the alcohol. 
C)  the reaction proceeds by an SN2 mechanism. 
D)  the hydroxide ion attacks the face of the carbocation in a concerted mechanism on the face opposite the leaving group. 
E)  the product is optically active and rotates the plane of polarized light in the opposite direction with respect to 2-bromooctane. 
A)  the product of the reaction does not rotate the plane of polarized light. 
B)  the product formed is CH3(CH2)4CH=CHCH3 and not the alcohol. 
C)  the reaction proceeds by an SN2 mechanism. 
D)  the hydroxide ion attacks the face of the carbocation in a concerted mechanism on the face opposite the leaving group. 
E)  the product is optically active and rotates the plane of polarized light in the opposite direction with respect to 2-bromooctane.

Question 6

What major product(s) is (are)Obtained from the following reaction?

Accepted Answer

A)  1,3,5-trinitrobenzene 
B)  1,2,3-trinitrobenzene 
C)  1,2,3,5-tetranitrobenzene 
D)  1,3,4,5-tetranitrobenzene 
E)  1,3,4-trinitrobenzene 
A)  1,3,5-trinitrobenzene 
B)  1,2,3-trinitrobenzene 
C)  1,2,3,5-tetranitrobenzene 
D)  1,3,4,5-tetranitrobenzene 
E)  1,3,4-trinitrobenzene

Question 7

How many different monochlorination products are formed when 2-methylpentane reacts with chlorine gas under the influence of UV light?

Accepted Answer

A)  5 
B)  1 
C)  2 
D)  3 
E)  4 
A)  5 
B)  1 
C)  2 
D)  3 
E)  4

Question 8

All of the following are structural isomers of C6H14 except

Accepted Answer

A)  CH3(CH2)4CH3  
B)  CH3CH2C(CH3)3  
C)  (CH3)2CHCH(CH3)2  
D)  CH3(CH2)2CH(CH3)2  
E)  (CH3)2CHCH2CH3  
A)  CH3(CH2)4CH3  
B)  CH3CH2C(CH3)3  
C)  (CH3)2CHCH(CH3)2  
D)  CH3(CH2)2CH(CH3)2  
E)  (CH3)2CHCH2CH3

Question 9

The product of the reaction of CH3CH2CHO with excess KMnO4(aq) in acidic solution is

Accepted Answer

A)  CH3CH2COOH. 
B)  CH3CH2COCH2CH3.  
C)  CH3COOH. 
D)  CH3CH2CH3.  
E)  CH3CH2OH. 
A)  CH3CH2COOH. 
B)  CH3CH2COCH2CH3.  
C)  CH3COOH. 
D)  CH3CH2CH3.  
E)  CH3CH2OH.

Question 10

Name the following compound.

Accepted Answer

3-ethyl-1,

Question 11

When terephthalic acid ethylene glycol reacts to form the polyester Dacron, the first reaction product has

Accepted Answer

A)  a free carboxyl and a free hydroxyl group. 
B)  2 free carboxyl groups. 
C)  2 free hydroxyl groups 
D)  2 free ester groups. 
E)  a free ester group and a free hydroxyl group. 
A)  a free carboxyl and a free hydroxyl group. 
B)  2 free carboxyl groups. 
C)  2 free hydroxyl groups 
D)  2 free ester groups. 
E)  a free ester group and a free hydroxyl group.

Question 12

What reactants would be used to synthesize diethyl ether?

Accepted Answer

CH<sub>3</sub>CH<sub

Question 13

Which of the following reactants can be used to produce propanamide? $$\begin{array} { c c c c c c } 
\mathrm { CH } _ { 3 } \mathrm { COCl } & \mathrm { CO } _ { 2 } & \mathrm { CH } _ { 3 } \mathrm { CH } _ { 2 } \mathrm { NH } _ { 2 } & \mathrm { NH } _ { 3 } & \mathrm { CH } _ { 3 } \mathrm { CH } _ { 2 } \mathrm { COCl } & \mathrm { CH } _ { 3 } \mathrm { CONH } _ { 2 } \
1 & 2 & 3 & 4 & 5 & 6 \
\mathrm { CH } _ { 3 } \mathrm { CH } _ { 2 } \mathrm { CH } _ { 2 } \mathrm { COCl } & \mathrm { CH } _ { 3 } \mathrm { CH } _ { 2 } \mathrm { CH } _ { 2 } \mathrm { Cl } & \mathrm { CH } _ { 3 } \mathrm { NH } _ { 2 } & \mathrm { HCOOH } & \mathrm { CH } _ { 3 } \mathrm { CH } _ { 2 } \mathrm { Cl } \
7& 8 & 9 & 10 & 11
\end{array}$$

Accepted Answer

A)  5 and 6 
B)  4 and 7 
C)  2, 4, and 11 
D)  4 and 5 
E)  2, 4, and 8 
A)  5 and 6 
B)  4 and 7 
C)  2, 4, and 11 
D)  4 and 5 
E)  2, 4, and 8

Question 14

Which of the following compounds exist as geometric isomers?
1.CH2=C(CH3)(CH2CH3)
2.CH3CH=CH(CH2CH3)
3.ClCH=C(CH3)
4.ClCH=C(Cl)(CH3)

Accepted Answer

A)  1, 2, 3, and 4 
B)  2 and 4 
C)  1 and 3 
D)  1, 2, and 4 
E)  3 and 4 
A)  1, 2, 3, and 4 
B)  2 and 4 
C)  1 and 3 
D)  1, 2, and 4 
E)  3 and 4

Question 15

When an ester is formed via a condensation reaction with elimination of water, the oxygen atom in the water molecule comes from

Accepted Answer

A)  the hydroxyl group of the acid. 
B)  the alcohol. 
C)  the aldehyde. 
D)  the carbonyl group of the acid. 
E)  the solvent. 
A)  the hydroxyl group of the acid. 
B)  the alcohol. 
C)  the aldehyde. 
D)  the carbonyl group of the acid. 
E)  the solvent.

Question 16

Name the compound CH3CH=CHCH=CH2.

Accepted Answer

Question 17

Consider the reactions
CH3CH2CH3 + Br2/light $\rarr$ A
A + NaCN $\rarr$ B
Identify A and B.

Accepted Answer

A is 2-bro

Question 18

Consider a molecule of molecular formula C10H16 .What total number of rings plus $\pi $ bonds are present in the molecule?

Accepted Answer

A)  2 
B)  1 
C)  3 
D)  4 
E)  0 
A)  2 
B)  1 
C)  3 
D)  4 
E)  0

Question 19

The formula of the polymer methyl methacrylate (Plexiglass)
is -(CH3OC(O)C(CH3)CH2)-.What is the monomer used to produce this polymer?

Accepted Answer

Question 20

Consider the reaction of ethene with bromine water to produce 1,2-dibromoethane .Which of the following statements is correct regarding this reaction?

Accepted Answer

A)  This reaction is a nucleophilic reaction. 
B)  This reaction is a substitution reaction. 
C)  A negatively charged intermediate is involved in this reaction. 
D)  A cyclic bromonium ion is an intermediate in this reaction. 
A)  This reaction is a nucleophilic reaction. 
B)  This reaction is a substitution reaction. 
C)  A negatively charged intermediate is involved in this reaction. 
D)  A cyclic bromonium ion is an intermediate in this reaction.

To produce butanone, which of the following should be reacted with Na₂Cr₂O₇(aq),H₂SO₄(aq)?

By what type of mechanism do alkanes undergo substitution reactions?

When 2-methyl-1-butene reacts with HBr,the reaction occurs in two steps.Draw the structure of the intermediate.(Hint: Intermediate carbocations are most stable when formed at tertiary carbons.)

Which of the following is optically active?

What major product(s) is (are)Obtained from the following reaction?

How many different monochlorination products are formed when 2-methylpentane reacts with chlorine gas under the influence of UV light?

All of the following are structural isomers of C₆H₁₄ except

The product of the reaction of CH₃CH₂CHO with excess KMnO₄(aq) in acidic solution is

Name the following compound.

When terephthalic acid ethylene glycol reacts to form the polyester Dacron, the first reaction product has

What reactants would be used to synthesize diethyl ether?

Which of the following reactants can be used to produce propanamide? 1 2 3 4 5 6 7 8 9 10 11

Which of the following compounds exist as geometric isomers? 1.CH₂=C(CH₃)(CH₂CH₃) 2.CH₃CH=CH(CH₂CH₃) 3.ClCH=C(CH₃) 4.ClCH=C(Cl)(CH₃)

When an ester is formed via a condensation reaction with elimination of water, the oxygen atom in the water molecule comes from

Name the compound CH₃CH=CHCH=CH₂.

Consider the reactions CH₃CH₂CH₃ + Br₂/light $\rarr$ A A + NaCN $\rarr$ B Identify A and B.

Consider a molecule of molecular formula C₁₀H₁₆ .What total number of rings plus $\pi$ bonds are present in the molecule?

The formula of the polymer methyl methacrylate (Plexiglass) is -(CH₃OC(O)C(CH₃)CH₂)-.What is the monomer used to produce this polymer?

Consider the reaction of ethene with bromine water to produce 1,2-dibromoethane .Which of the following statements is correct regarding this reaction?

Atoms

Molecules

States of Matter

Thermodynamics

Equilibrium

Reactions

Kinetics

The Main-Group Elements

The D-Block Elements

Nuclear Chemistry

Filters

Exam 11: Organic Chemistry

To produce butanone, which of the following should be reacted with Na2Cr2O7(aq),H2SO4(aq)?

By what type of mechanism do alkanes undergo substitution reactions?

When 2-methyl-1-butene reacts with HBr,the reaction occurs in two steps.Draw the structure of the intermediate.(Hint: Intermediate carbocations are most stable when formed at tertiary carbons.)

Which of the following is optically active?

Consider the reaction CH3(CH2)4CH2CH(Br)CH3 + NaOH →\rarr→ CH3(CH2)4CH2CH(OH)CH3 (optically pure enantiomer) The rate law for this reaction over a wide range of [OH-] is R = k1[RX] + k2[RX][OH-] where RX is 2-bromooctane and k2/k1 = 20. At very low hydroxide ion concentration,

What major product(s) is (are)Obtained from the following reaction?

How many different monochlorination products are formed when 2-methylpentane reacts with chlorine gas under the influence of UV light?

All of the following are structural isomers of C6H14 except

The product of the reaction of CH3CH2CHO with excess KMnO4(aq) in acidic solution is

Name the following compound.

When terephthalic acid ethylene glycol reacts to form the polyester Dacron, the first reaction product has

What reactants would be used to synthesize diethyl ether?

Which of the following reactants can be used to produce propanamide? 1 2 3 4 5 6 7 8 9 10 11

Which of the following compounds exist as geometric isomers? 1.CH2=C(CH3)(CH2CH3) 2.CH3CH=CH(CH2CH3) 3.ClCH=C(CH3) 4.ClCH=C(Cl)(CH3)

When an ester is formed via a condensation reaction with elimination of water, the oxygen atom in the water molecule comes from

Name the compound CH3CH=CHCH=CH2.

Consider the reactions CH3CH2CH3 + Br2/light →\rarr→ A A + NaCN →\rarr→ B Identify A and B.

Consider a molecule of molecular formula C10H16 .What total number of rings plus π\pi π bonds are present in the molecule?

The formula of the polymer methyl methacrylate (Plexiglass) is -(CH3OC(O)C(CH3)CH2)-.What is the monomer used to produce this polymer?

Consider the reaction of ethene with bromine water to produce 1,2-dibromoethane .Which of the following statements is correct regarding this reaction?

Atoms

Molecules

States of Matter

Thermodynamics

Equilibrium

Reactions

Kinetics

The Main-Group Elements

The D-Block Elements

Nuclear Chemistry

Filters

To produce butanone, which of the following should be reacted with Na₂Cr₂O₇(aq),H₂SO₄(aq)?

All of the following are structural isomers of C₆H₁₄ except

The product of the reaction of CH₃CH₂CHO with excess KMnO₄(aq) in acidic solution is

Which of the following compounds exist as geometric isomers? 1.CH₂=C(CH₃)(CH₂CH₃) 2.CH₃CH=CH(CH₂CH₃) 3.ClCH=C(CH₃) 4.ClCH=C(Cl)(CH₃)

Name the compound CH₃CH=CHCH=CH₂.

Consider the reactions CH₃CH₂CH₃ + Br₂/light $\rarr$ A A + NaCN $\rarr$ B Identify A and B.

Consider a molecule of molecular formula C₁₀H₁₆ .What total number of rings plus $\pi$ bonds are present in the molecule?

The formula of the polymer methyl methacrylate (Plexiglass) is -(CH₃OC(O)C(CH₃)CH₂)-.What is the monomer used to produce this polymer?