Organic Chemistry 2nd Edition Klein Test Bank

[Pages:59]Organic Chemistry 2nd Edition Klein Test Bank Full Download:

Chapter Two

Topic: Molecular Representation Section: 2.1 Difficulty Level: Easy

1. What is the molecular formula for the following compound?

HH

HH

HC COC C H

HH

A) C2H6O B) C4H6O C) C4H10O D) C2H4O E) None of these

Ans: C

HH

Topic: Molecular Representation Section: 2.1 Difficulty Level: Easy

2. Which of the following compounds have a molecular formula of C2H6O?

CH3OCH3

I

A) I B) II C) III D) IV E) Both I & III

Ans: E

CH3CH2OCH3 II

CH3CH2OH III

CH3CHOHCH3 IV

Topic: Molecular Representation Section: 2.1 Difficulty Level: Easy

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3. Which of the following is the correct condensed structure for the following compound?

HH H H

C

C

H

H

C

O

HC H

H

H

A) CH3CH3CH2OH

B) CH3CH2CH2OH

C) (CH3)2CHCH2OH

D) CH3CH2CH2OCH3

E) CH3C2H3CH3OH

Ans: C

Topic: Molecular Representation Section: 2.1 Difficulty Level: Easy

4. Which of the following is the correct condensed structure for the following compound?

H H H H Cl H

HC C C CC C H

HOHHHH

H

A) CH3CHOHCH2CHClCH3 B) CH3CHOH(CH2)2CHClCH3 C) (CH3)2CHOHCH2CH2Cl D) CH3CHCH2CH2OHCH3CHCl E) CH3C2H4CH3OHCl

Ans: B

Topic: Molecular Representation Section: 2.1 Difficulty Level: Medium

5. Which of the following is the correct condensed structure for the following compound?

A) CH2=CH(CH2)3C(CH3)3 B) CH(CH2)4C(CH3)3 C) (CH3)2CH(CH2)4CH3 D) CH2CH(CH2)3C(CH3)3 E) (CH)3(CH2)3C(CH3)3

Ans: A

Topic: Molecular Representation Section: 2.1 Difficulty Level: Medium

6. Which of the following is the correct condensed structure for the following compound?

H

H

H

H

HHHC H

HCCCC CCCC H

H

HHHC H

H

H

H

A) CH3C2(CH2)3C(CH3)3

B) CH3CC(CH2)3C(CH3)2CH3

C) (CH3)3C2(CH2)3CH3

D) CH3CC(CH2)3C(CH3)3

E) CH3CC(CH2)3C(CH3)3

Ans: D

Topic: Molecular Representation Section: 2.1 Difficulty Level: Medium

7. Which of the following is the correct condensed structure for the following compound?

H

H

H

H

H

H

HCHHHCH

HCCCCCCCH

H C H H Br H H

H

H

H

A) CH3C(CH3)2(CH2)2(CH)BrC(CH3)2

B) CH3CH3CH3C(CH2)2C(CH3)2CHBr

C) (CH3)3C(CH2)3BrCHCH3CH3

D) CH3CH3CH3C(CH2)2CHBrCHCH3CH3

E) (CH3)3C(CH2)2CHBrCH(CH3)2

Ans: E

Topic: Molecular Representation Section: 2.1 Difficulty Level: Hard

8. Provide correct condensed structure for the following compound.

H

H

H

H

H

H

C

H

H

HCHH

CHH

HCCCCOCCCH

HCHH

HHH

H

H

H

Ans: (CH3)3C(CH2)2OCH(CH2CH3)2

Topic: Molecular Representation Section: 2.1 Difficulty Level: Hard

9. Provide correct condensed structure for the following compound.

H

H

H

H

HHHCH

HCNCCCCCH

HCHHHHH

H

H

H

Ans: (CH3)2N(CH2)3CH(CH3)2

Topic: Molecular Representation Section: 2.1 Difficulty Level: Easy

10. Which of the following is the correct molecular formula for (CH3CH2)4C? A) C8H20 B) C5H20 C) C9H20 D) C6H5 E) C3H20

Ans: C

Topic: Molecular Representation Section: 2.1 Difficulty Level: Easy

11. Which of the following is the correct Lewis structure for CH3(CH2)2NH2?

HH

HHH

HHH

HCC NH

HHH

I

A) I B) II C) III D) IV E) Both II & III

Ans: C

HCCC NHHCCC NH

HHHH

II

HHHH

III

CH3CH2CH2NH2 IV

Topic: Molecular Representation Section: 2.1 Difficulty Level: Easy

12. Which of the following is the correct Lewis structure for CH3(CH2)2OH?

HH

HHH

HHH

HCCOH

HH

I

A) I B) II C) III D) IV E) Both II & III

Ans: B

HC C C O HHC C C O H

HHH

II

HHH

III

CH3CH2CH2OH IV

Topic: Molecular Representation Section: 2.1 Difficulty Level: Easy

13. Which of the following is the correct Lewis structure for (CH3)2CHCH2OH?

HHH

HHH

HHH

HHC

HHHH

HCH

HCH

H C C C O H H C C C C O H H C C C O H H C C C OH

HHH

I

A) I B) II C) III D) IV E) Both III & IV

Ans: C

HHHH

II

HHH

III

HHH

IV

Topic: Molecular Representation Section: 2.1 Difficulty Level: Medium

14. Which of the following is the correct Lewis structure for (CH3)3C(CH2)2NHCH3?

H HH

H HH

HHH

HHCH

H

HCHHH

HHC H

H C C C C N C H H C C C C C N H H C C C C N CH3

HCHHHH

H HH

I

HH H

HC H H

HHCHHH

H HH

II

HC HHH

H H H III

H

HHHHH

H

HCCCCNCH HCCCCC NC H

A) I B) II C) III D) IV E) V

Ans: D

HC H H HH

H HH

IV

HHCHHHH

H HH

V

Topic: Molecular Representation Section: 2.1 Difficulty Level: Medium

15. Draw the Lewis structure for CH3CC(CH2)3C(CH3)3.

Ans:

H

H

H

H

HHHC H

HCCCC CCCC H

H

HHHC H

H

H

H

Topic: Molecular Representation Section: 2.1 Difficulty Level: Hard

16. Draw the Lewis structure for (CH3)3C(CH2)2OCH(CH2CH3)2.

Ans:

H

H

H

H

H

H

C

H

H

HCHH

CHH

HCCCCOCCCH

HCHH

H

H

H

HHH

Topic: Bond Line Structure Section: 2.2 Difficulty Level: Easy

17. Which of the following bond-line structures are of the same compound?

I

II

A) I & II

B) II & III

C) III & IV

D) II & IV

E) None of these

Ans: D

Topic: Bond Line Structure Section: 2.2 Difficulty Level: Easy

III

IV

18. Which of the following bond-line structures are of the same compound?

I

II

A) I & III

B) II & III

C) III & IV

D) II & IV

E) None of these

Ans: A

III

IV

Topic: Bond Line Structure Section: 2.2 Difficulty Level: Easy

19. How many H atoms are connected to the indicated carbon atom?

A) one B) two C) three D) four E) none

Ans: E

Topic: Bond Line Structure Section: 2.2 Difficulty Level: Easy

20. How many H atoms are connected to the indicated carbon atom?

A) one B) two C) three D) four E) none

Ans: A

Topic: Bond Line Structure Section: 2.2 Difficulty Level: Easy

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