Question 1

In the SN1 mechanism for nucleophilic substitution,the carbocation produced is a Lewis acid and the nucleophile is a Lewis base.

Accepted Answer

A) True 
 B)False

Question 2

The major product of the reaction of (CH3)2CHCH(Br)CH3 with concentrated KOH in alcohol solvent is

Accepted Answer

A)  2-methyl-2-butene. 
B)  3-methyl-1-butene. 
C)  2-hydroxy-3-methylbutane. 
D)  pentene. 
E)  3-methylbuatanol. 
A)  2-methyl-2-butene. 
B)  3-methyl-1-butene. 
C)  2-hydroxy-3-methylbutane. 
D)  pentene. 
E)  3-methylbuatanol.

Question 3

The systematic name of CH3CH2CH(CHO)CH3 is

Accepted Answer

A)  2-ethylpropanal. 
B)  2-pentanal. 
C)  3-methylbutanal. 
D)  2-pentanone. 
E)  2-methylbutanal. 
A)  2-ethylpropanal. 
B)  2-pentanal. 
C)  3-methylbutanal. 
D)  2-pentanone. 
E)  2-methylbutanal.

Question 4

The most characteristic reaction of alkenes is

Accepted Answer

A)  addition 
B)  substitution 
C)  dehydrogenation 
D)  dimerization 
E)  elimination 
A)  addition 
B)  substitution 
C)  dehydrogenation 
D)  dimerization 
E)  elimination

Question 5

Which of the following is optically active?

Accepted Answer

A)  NH2CH(CH3)COOH 
B)  (CH3)2C(NH2)COOH 
C)  CH3CHCH(Cl) 
D)  C(CH3)4  
E)  NH2CH2COOH 
A)  NH2CH(CH3)COOH 
B)  (CH3)2C(NH2)COOH 
C)  CH3CHCH(Cl) 
D)  C(CH3)4  
E)  NH2CH2COOH

Question 6

A dichlorobenzene reacts with HNO3/H2SO4 and produces one mononitrated product.Identify the initial dichlorobenzene.

Accepted Answer

Question 7

When 2-methyl-1-butene reacts with HBr,the reaction occurs in two steps.The attacking agent in the first step is __________.

Accepted Answer

The answer of When 2-methyl-1-butene reacts with HBr,the reaction occurs...

Question 8

The formation of an amide from a primary amine and a carboxylic acid is

Accepted Answer

A)  a substitution reaction. 
B)  an oxidation reaction. 
C)  an addition reaction. 
D)  an elimination reaction. 
E)  a condensation reaction. 
A)  a substitution reaction. 
B)  an oxidation reaction. 
C)  an addition reaction. 
D)  an elimination reaction. 
E)  a condensation reaction.

Question 9

What reactants would be used to synthesize the following compound?

Accepted Answer

acetyl chl

Question 10

How many of the structural isomers of C6H14 have only primary and tertiary hydrogens?

Accepted Answer

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

Question 11

Which of the following have a cis configuration?

Accepted Answer

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

Question 12

A dichlorobenzene reacts with HNO3/H2SO4 and produces three mononitrated products.Identify the initial dichlorobenzene.

Accepted Answer

Question 13

Which of the following forms ortho- and meta-products upon nitration?

Accepted Answer

A)  Phenol 
B)  Benzoic acid 
C)  Nitrobenzene 
D)  Cyanobenzene (benzonitrile) 
A)  Phenol 
B)  Benzoic acid 
C)  Nitrobenzene 
D)  Cyanobenzene (benzonitrile)

Question 14

The compound 2-chloro-1-pentene

Accepted Answer

A)  has the formula C5H11Cl. 
B)  is an alkyne. 
C)  cannot exist as cis and trans isomers. 
D)  can exist as cis and trans isomers. 
E)  has 3 structural isomers. 
A)  has the formula C5H11Cl. 
B)  is an alkyne. 
C)  cannot exist as cis and trans isomers. 
D)  can exist as cis and trans isomers. 
E)  has 3 structural isomers.

Question 15

Which of the following is most volatile?

Accepted Answer

A)  (CH3)2C(OH)CH3  
B)  (CH3)3COH 
C)  CH3CH(OH)CH2CH3  
D)  CH3(CH2)3OH 
E)  CH3CH2CH2CH3  
A)  (CH3)2C(OH)CH3  
B)  (CH3)3COH 
C)  CH3CH(OH)CH2CH3  
D)  CH3(CH2)3OH 
E)  CH3CH2CH2CH3

Question 16

Name the compound CH3CH2CH2CH(CH3)CH3.

Accepted Answer

A)  4-methylpentane 
B)  1-methyl-1-isopropylethane 
C)  2-methylpentane 
D)  1,1-dimethylbutane 
E)  Isohexane 
A)  4-methylpentane 
B)  1-methyl-1-isopropylethane 
C)  2-methylpentane 
D)  1,1-dimethylbutane 
E)  Isohexane

Question 17

For the compounds below, which statement is true?

Accepted Answer

A)  Compound 1 is chiral. 
B)  Compound 2 is chiral. 
C)  Compounds 1 and 2 are chiral. 
D)  Compounds 1 and 2 are identical. 
A)  Compound 1 is chiral. 
B)  Compound 2 is chiral. 
C)  Compounds 1 and 2 are chiral. 
D)  Compounds 1 and 2 are identical.

Question 18

How many secondary alcohols are there with the formula C4H9OH?

Accepted Answer

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

Question 19

Name the following compound.

Accepted Answer

A)  1-tert-butyl-4-ethyl-5-methylbutane 
B)  Undecane 
C)  1,1,1,4-tetramethyl-3-ethylpentane 
D)  3-ethyl-2,5,5-trimethylhexane 
E)  4-ethyl-2,2,5-trimethylhexane 
A)  1-tert-butyl-4-ethyl-5-methylbutane 
B)  Undecane 
C)  1,1,1,4-tetramethyl-3-ethylpentane 
D)  3-ethyl-2,5,5-trimethylhexane 
E)  4-ethyl-2,2,5-trimethylhexane

Question 20

Where is the electrophilic site in the compound 2-bromo-2-methylbutane?

Accepted Answer

The carbon

In the S_N1 mechanism for nucleophilic substitution,the carbocation produced is a Lewis acid and the nucleophile is a Lewis base.

The major product of the reaction of (CH₃)₂CHCH(Br)CH₃ with concentrated KOH in alcohol solvent is

The systematic name of CH₃CH₂CH(CHO)CH₃ is

The most characteristic reaction of alkenes is

Which of the following is optically active?

A dichlorobenzene reacts with HNO₃/H₂SO₄ and produces one mononitrated product.Identify the initial dichlorobenzene.

When 2-methyl-1-butene reacts with HBr,the reaction occurs in two steps.The attacking agent in the first step is __________.

The formation of an amide from a primary amine and a carboxylic acid is

What reactants would be used to synthesize the following compound?

How many of the structural isomers of C₆H₁₄ have only primary and tertiary hydrogens?

Which of the following have a cis configuration?

A dichlorobenzene reacts with HNO₃/H₂SO₄ and produces three mononitrated products.Identify the initial dichlorobenzene.

Which of the following forms ortho- and meta-products upon nitration?

The compound 2-chloro-1-pentene

Which of the following is most volatile?

Name the compound CH₃CH₂CH₂CH(CH₃)CH₃.

For the compounds below, which statement is true?

How many secondary alcohols are there with the formula C₄H₉OH?

Name the following compound.

Where is the electrophilic site in the compound 2-bromo-2-methylbutane?

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Exam 11: Organic Chemistry

In the SN1 mechanism for nucleophilic substitution,the carbocation produced is a Lewis acid and the nucleophile is a Lewis base.

The major product of the reaction of (CH3)2CHCH(Br)CH3 with concentrated KOH in alcohol solvent is

The systematic name of CH3CH2CH(CHO)CH3 is

The most characteristic reaction of alkenes is

Which of the following is optically active?

A dichlorobenzene reacts with HNO3/H2SO4 and produces one mononitrated product.Identify the initial dichlorobenzene.

When 2-methyl-1-butene reacts with HBr,the reaction occurs in two steps.The attacking agent in the first step is __________.

The formation of an amide from a primary amine and a carboxylic acid is

What reactants would be used to synthesize the following compound?

How many of the structural isomers of C6H14 have only primary and tertiary hydrogens?

Which of the following have a cis configuration?

A dichlorobenzene reacts with HNO3/H2SO4 and produces three mononitrated products.Identify the initial dichlorobenzene.

Which of the following forms ortho- and meta-products upon nitration?

The compound 2-chloro-1-pentene

Which of the following is most volatile?

Name the compound CH3CH2CH2CH(CH3)CH3.

For the compounds below, which statement is true?

How many secondary alcohols are there with the formula C4H9OH?

Name the following compound.

Where is the electrophilic site in the compound 2-bromo-2-methylbutane?

Atoms

Molecules

States of Matter

Thermodynamics

Equilibrium

Reactions

Kinetics

The Main-Group Elements

The D-Block Elements

Nuclear Chemistry

Filters

In the S_N1 mechanism for nucleophilic substitution,the carbocation produced is a Lewis acid and the nucleophile is a Lewis base.

The major product of the reaction of (CH₃)₂CHCH(Br)CH₃ with concentrated KOH in alcohol solvent is

The systematic name of CH₃CH₂CH(CHO)CH₃ is

A dichlorobenzene reacts with HNO₃/H₂SO₄ and produces one mononitrated product.Identify the initial dichlorobenzene.

How many of the structural isomers of C₆H₁₄ have only primary and tertiary hydrogens?

A dichlorobenzene reacts with HNO₃/H₂SO₄ and produces three mononitrated products.Identify the initial dichlorobenzene.

Name the compound CH₃CH₂CH₂CH(CH₃)CH₃.

How many secondary alcohols are there with the formula C₄H₉OH?