Question 1

What are the formulas of the monomers used to produce the nylon polymer shown below?

Accepted Answer

A)  NH2CH2CH2NH2 and (COCl)-C6H4-(COCl) (substituents are para) 
B)  NH2CH2CH2Cl and (COCl)-C6H4-(COOH) 
C)  HOOC-CH2CH2-COOH and NH2-C6H4-NH2 (substituents are para) 
D)  ClCH2CH2Cl and (COOH)-C6H4-(COOH) (substituents are para) 
E)  ClCH2CH2Cl and NH2-C6H4-NH2 (substituents are para) 
A)  NH2CH2CH2NH2 and (COCl)-C6H4-(COCl) (substituents are para) 
B)  NH2CH2CH2Cl and (COCl)-C6H4-(COOH) 
C)  HOOC-CH2CH2-COOH and NH2-C6H4-NH2 (substituents are para) 
D)  ClCH2CH2Cl and (COOH)-C6H4-(COOH) (substituents are para) 
E)  ClCH2CH2Cl and NH2-C6H4-NH2 (substituents are para)

Question 2

Esters can be produced by a condensation reaction between acid halides and alcohols .If the acid halide CH3COCl reacts with ethanol,Which of the following is eliminated?

Accepted Answer

A)  HCl 
B)  H2O 
C)  OH- 
D)  H3O+ 
A)  HCl 
B)  H2O 
C)  OH- 
D)  H3O+

Question 3

All the following produce a silver mirror with Tollens reagent except

Accepted Answer

A)  HCHO. 
B)  CH3CH2CH(CHO)CH3.  
C)  CH3CH2COCH3.  
D)  CH3(CH2)3CHO. 
E)  CH3CH2CHO. 
A)  HCHO. 
B)  CH3CH2CH(CHO)CH3.  
C)  CH3CH2COCH3.  
D)  CH3(CH2)3CHO. 
E)  CH3CH2CHO.

Question 4

Name the compound CH3COO(CH2)4CH3.

Accepted Answer

A)  Methyl pentanoate 
B)  Hexanoic acid 
C)  2-hexanone 
D)  Pentyl acetate 
E)  Butyl acetate 
A)  Methyl pentanoate 
B)  Hexanoic acid 
C)  2-hexanone 
D)  Pentyl acetate 
E)  Butyl acetate

Question 5

Which of the following undergo nitration faster than benzene?

Accepted Answer

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

Question 6

How many products are predicted for the reaction below?

Accepted Answer

A)  4 
B)  No reaction occurs. 
C)  3 
D)  1 
E)  2 
A)  4 
B)  No reaction occurs. 
C)  3 
D)  1 
E)  2

Question 7

The primary structure of aspartame is   This dipeptide is

Accepted Answer

A)  Phe-Asp. 
B)  Trp-Glu. 
C)  Phe-Glu. 
D)  Tyr-Glu. 
E)  Tyr-Asn. 
A)  Phe-Asp. 
B)  Trp-Glu. 
C)  Phe-Glu. 
D)  Tyr-Glu. 
E)  Tyr-Asn.

Question 8

How many hydrogen bonds are formed between T and A?

Accepted Answer

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

Question 9

How many products are predicted theoretically from the following reaction?

Accepted Answer

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

Question 10

Which of the following compounds is most likely to undergo nucleophilic substitution by an SN2 reaction?

Accepted Answer

A)  CH3CH2CH2Br 
B)  (CH3CH2)3CBr 
C)  CH3CH2CBr(CH3)CH3 
D)  (CH3)3CBr 
A)  CH3CH2CH2Br 
B)  (CH3CH2)3CBr 
C)  CH3CH2CBr(CH3)CH3 
D)  (CH3)3CBr

Question 11

Fill in the missing reactants and products.

Accepted Answer

The answer of Fill in the missing reactants and products....

Question 12

The product of the reaction of 2-butene with Cl2 is

Accepted Answer

A)  3,3-dichlorobutane. 
B)  2,3-dichlorobutane. 
C)  butane. 
D)  2-chlorobutane. 
E)  2,2-dichlorobutane. 
A)  3,3-dichlorobutane. 
B)  2,3-dichlorobutane. 
C)  butane. 
D)  2-chlorobutane. 
E)  2,2-dichlorobutane.

Question 13

Fill in the missing reactants and products in the reaction scheme below.

Accepted Answer

The answer of Fill in the missing reactants and products...

Question 14

What is the product of the reaction
CH3CH(NH2)CH3 + CH3CH2C(O)OCH3 $\rarr$

Accepted Answer

CH3CH<sub

Question 15

The ester CH3COO(CH2)4CH3, which is responsible for the odor of bananas,
Can be prepared from

Accepted Answer

A)  CH3CH2OH and CH3(CH2)3COOH. 
B)  CH3CHO and CH3(CH2)3CH2OH. 
C)  CH3COOH and CH3(CH2)3CH2OH. 
D)  CH3CHO and CH3(CH2)3COOH. 
E)  CH3COOH and CH3(CH2)3CHO. 
A)  CH3CH2OH and CH3(CH2)3COOH. 
B)  CH3CHO and CH3(CH2)3CH2OH. 
C)  CH3COOH and CH3(CH2)3CH2OH. 
D)  CH3CHO and CH3(CH2)3COOH. 
E)  CH3COOH and CH3(CH2)3CHO.

Question 16

Complete hydrolysis of a hexapeptide yielded Arg,Tyr,Val,Phe,Cys.After partial hydrolysis,the fragments Tyr-Cys,Arg-Phe,Cys,Val-Arg,and Phe-Tyr were obtained.What are the possible sequences in the hexapeptide?

Accepted Answer

Val-Arg-Phe-Tyr-Cys-

Question 17

Identify compounds 1 and 2 in the reaction scheme below.
CH3CHCH2 + H+/H2O $\rarr$ 1 + K2Cr2O7/H+ $\rarr$ 2

Accepted Answer

1: 2-propa

Question 18

Name the following compound.

Accepted Answer

A)  1,1-dichloro-5-methylcyclohexane 
B)  1-methyl-3,3-dichlorocyclohexane 
C)  1,1-dichloro-3-methylcyclohexane 
D)  Dichlorocyclohexane-3-methyl 
E)  1-methyl-5,5-dichlorocyclohexane 
A)  1,1-dichloro-5-methylcyclohexane 
B)  1-methyl-3,3-dichlorocyclohexane 
C)  1,1-dichloro-3-methylcyclohexane 
D)  Dichlorocyclohexane-3-methyl 
E)  1-methyl-5,5-dichlorocyclohexane

Question 19

The alkene CH3CH=CHCH2CH3 cannot exist as cis and trans isomers.

Accepted Answer

A) True 
 B)False

Question 20

What is the product of the reaction
C5H9CH2CH2Br + NaCN $\rarr$

Accepted Answer

C5H9

What are the formulas of the monomers used to produce the nylon polymer shown below?

Esters can be produced by a condensation reaction between acid halides and alcohols .If the acid halide CH₃COCl reacts with ethanol,Which of the following is eliminated?

All the following produce a silver mirror with Tollens reagent except

Name the compound CH₃COO(CH₂)₄CH₃.

Which of the following undergo nitration faster than benzene?

How many products are predicted for the reaction below?

The primary structure of aspartame is This dipeptide is

How many hydrogen bonds are formed between T and A?

How many products are predicted theoretically from the following reaction?

Which of the following compounds is most likely to undergo nucleophilic substitution by an S_N2 reaction?

Fill in the missing reactants and products.

The product of the reaction of 2-butene with Cl₂ is

Fill in the missing reactants and products in the reaction scheme below.

What is the product of the reaction CH₃CH(NH₂)CH₃ + CH₃CH₂C(O)OCH₃ $\rarr$

The ester CH₃COO(CH₂)₄CH₃, which is responsible for the odor of bananas, Can be prepared from

Complete hydrolysis of a hexapeptide yielded Arg,Tyr,Val,Phe,Cys.After partial hydrolysis,the fragments Tyr-Cys,Arg-Phe,Cys,Val-Arg,and Phe-Tyr were obtained.What are the possible sequences in the hexapeptide?

Identify compounds 1 and 2 in the reaction scheme below. CH₃CHCH₂ + H⁺/H₂O $\rarr$ 1 + K₂Cr₂O₇/H⁺ $\rarr$ 2

Name the following compound.

The alkene CH₃CH=CHCH₂CH₃ cannot exist as cis and trans isomers.

What is the product of the reaction C₅H₉CH₂CH₂Br + NaCN $\rarr$

Atoms

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States of Matter

Thermodynamics

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The D-Block Elements

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Exam 11: Organic Chemistry

What are the formulas of the monomers used to produce the nylon polymer shown below?

Esters can be produced by a condensation reaction between acid halides and alcohols .If the acid halide CH3COCl reacts with ethanol,Which of the following is eliminated?

All the following produce a silver mirror with Tollens reagent except

Name the compound CH3COO(CH2)4CH3.

Which of the following undergo nitration faster than benzene?

How many products are predicted for the reaction below?

The primary structure of aspartame is This dipeptide is

How many hydrogen bonds are formed between T and A?

How many products are predicted theoretically from the following reaction?

Which of the following compounds is most likely to undergo nucleophilic substitution by an SN2 reaction?

Fill in the missing reactants and products.

The product of the reaction of 2-butene with Cl2 is

Fill in the missing reactants and products in the reaction scheme below.

What is the product of the reaction CH3CH(NH2)CH3 + CH3CH2C(O)OCH3 →\rarr→

The ester CH3COO(CH2)4CH3, which is responsible for the odor of bananas, Can be prepared from

Complete hydrolysis of a hexapeptide yielded Arg,Tyr,Val,Phe,Cys.After partial hydrolysis,the fragments Tyr-Cys,Arg-Phe,Cys,Val-Arg,and Phe-Tyr were obtained.What are the possible sequences in the hexapeptide?

Identify compounds 1 and 2 in the reaction scheme below. CH3CHCH2 + H+/H2O →\rarr→ 1 + K2Cr2O7/H+ →\rarr→ 2

Name the following compound.

The alkene CH3CH=CHCH2CH3 cannot exist as cis and trans isomers.

What is the product of the reaction C5H9CH2CH2Br + NaCN →\rarr→

Atoms

Molecules

States of Matter

Thermodynamics

Equilibrium

Reactions

Kinetics

The Main-Group Elements

The D-Block Elements

Nuclear Chemistry

Filters

Esters can be produced by a condensation reaction between acid halides and alcohols .If the acid halide CH₃COCl reacts with ethanol,Which of the following is eliminated?

Name the compound CH₃COO(CH₂)₄CH₃.

Which of the following compounds is most likely to undergo nucleophilic substitution by an S_N2 reaction?

The product of the reaction of 2-butene with Cl₂ is

What is the product of the reaction CH₃CH(NH₂)CH₃ + CH₃CH₂C(O)OCH₃ $\rarr$

The ester CH₃COO(CH₂)₄CH₃, which is responsible for the odor of bananas, Can be prepared from

Identify compounds 1 and 2 in the reaction scheme below. CH₃CHCH₂ + H⁺/H₂O $\rarr$ 1 + K₂Cr₂O₇/H⁺ $\rarr$ 2

The alkene CH₃CH=CHCH₂CH₃ cannot exist as cis and trans isomers.

What is the product of the reaction C₅H₉CH₂CH₂Br + NaCN $\rarr$