Test Bank for Organic Chemistry 9th Edition by Carey 1

FOR MORE OF THIS COURSE AND ANY OTHER COURSES, TEST BANKS, FINAL EXAMS, AND SOLUTION MANUALS CONTACT US AT [email protected] Chapter 1: Structure Determines Properties

1. What is the the ground state state electron electron configurati configuration on of carbon? 2 2 1 2 2 2 2 2 A) 1s 2s 2px B) 1s 2s 2px C) 1s 2s 2px12py1 D) 1s22s22px22py1 Ans: C 2. Which of the the folloing folloing has !ha"e) !ha"e) the sa#e sa#e electron electron configuration configuration as $e? $e?  $a% &g2' (2% &g' A) $a% and (2% B) &g2' and (2% Ans: B

C) &g' and (2%

D) only &g2'

. What is the letter letter designation designation gi"en to du#bbell du#bbell shaped orbitals orbitals li*e the one depicted  belo?

A) s B) p Ans: B

C) d

D) f 

+. What is is the charge charge on the phosphorus phosphorus ion in $a,? A) % B) %1 C) '1 D) ' Ans: A -. ,redict hich bond bond is the the #ost polar polar in ethanol ethanol C/C/2(/? A) C0C B) C0/ C) C0( D) (0/ Ans: D . Which one one of the follo folloing ing is the the conugate conugate base of $/? ' ' % A) $/+ B) / C) $ D) $/2 3  Ans: D

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Chapter 1: 4tructure Deter#ines ,roperties

5. Which one of the folloin folloing g is the ionic co#pound co#pound for#ed for#ed beteen #agnesiu# #agnesiu# and chlorine? A) &gCl B) &gCl2 C) &g2Cl D) &gCl Ans: B 6. 7dentify 7dentify the condensed condensed for#ula for#ula of the folloing folloing structure structure::

A)

!C/)2C/C/ClC/!C/)2

C)

!C/)2C/C/ClC!C/)

B)

C/C/!C/)C/ClC/!C/)2

D)

!C/)CC/ClC/!C/)

Ans: C 8. What is the che#ical che#ical for#ula for#ula of the folloing folloing carbon s*eleton s*eleton diagra#? diagra#?

A) C6/1+ Ans: C

B) C6/1

C) C6/16

D) C6/29

19. /o #any hydrogen hydrogen ato#s ato#s are there on carbon ato#s ato#s 1 and 2 respecti"ely respecti"ely in in the structure belo?

A) + 1 B) + 9 Ans: D

C)  1

D)  9

11. 11. /o /o #an #any y C/6( constitutional iso#ers are possible? A) one B) to C) three D) four  Ans: C

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Chapter 1: 4tructure Deter#ines ,roperties

12. Which of the folloing folloing best describes describes the relationship relationship beteen beteen the folloing folloing to structures?

A)

iden dentical co#pounds nds

B)

resonance str structures

C)

const nstitutional iso#e o#ers

D)

diff differe erent nt co#p co#poun ounds ds ith ith diff differ eren entt const constit itut utio ions ns

Ans: A 1. /o #any #any constitu constitutional tional iso#ers iso#ers of C+/8Br are possible? A) one B) to C) three D) four  Ans: D 1+. /o #any #any constitu constitutional tional iso#ers iso#ers of C/Cl2 are possible? A) three B) four C) fi"e D) six Ans: B 1-. What is is the for#al for#al charge charge on the carbon carbon ato#? ato#?

A) '1 B) 9 Ans: C

C) %1

D) %2

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Chapter 1: 4tructure Deter#ines ,roperties

1. Which of the folloing folloing describes describes the relationship relationship beteen beteen the folloing folloing to structures? structures?

A)

iden dentical structures

B)

resonance fo for#s

C)

const nstitutional iso#e o#ers

D)

diff differe erent nt co# co#pou pound ndss ith ith diff differ eren entt co#po co#posit sitio ions ns

Ans: A 15. Which of the folloin folloing g describes the relati relationship onship beteen beteen the folloing folloing to ions?

A)

iden dentical structures

B)

resonance fo for#s

C)

const nstitutional iso#e o#ers

D)

diff differe erent nt co# co#pou pound ndss ith ith diff differ eren entt co#po co#posit sitio ions ns

Ans: B 16. What is the the for#al charge charge on the the oxygen ato# ato# in the structure structure belo? belo?

A) %1 B) 9 Ans: C

C) '1

D) '2

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Chapter 1: 4tructure Deter#ines ,roperties

18. What is the for#al for#al charge on the nitrogen nitrogen ato# ato# in the structure structure belo?

A) %1 B) 9 Ans: C

C) '1

D) '2

29. he for#al charges charges on the nitrogen nitrogen and oxygen oxygen in the folloing folloing structures structures are respecti"ely

A) '1 %1 Ans: A

B) 9 %1

C) '1 9

D) 9 9

21. 7n hich of the folloing folloing co#pounds co#pounds ould ould you expect Cl to ha"e a partial partial positi"e positi"e charge? A) /Cl B) CCl+ C) $aCl D) /(Cl Ans: D 22. Based on the ;4   >  A) only 7 B) only 77 C) 7 and 77 D) 7 77 and 777 Ans: C 2-. Which of the folloin folloing g #olecules #olecules ould you expect expect to ha"e a dipole #o#ent? #o#ent? 7. C(2 77. /C$ 777. C/Cl A) 77 and 777 B) only 77 C) only 777 D) 7 77 and 777 Ans: A

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Chapter 1: 4tructure Deter#ines ,roperties

2. Which of the folloin folloing g #olecules #olecules ould you expect expect to ha"e a dipole #o#ent? #o#ent? 7. C/2Cl2 77. C/Cl 777. CCl+ A) only 7 B) only 77 C) 7 and 77 D) 7 77 and 777 Ans: C 25. he /0C0/ /0C0/ bond angles angles in in ethylene ethylene C2/+ are closest to A) 89 . B) 198.- . C) 129 . D) 169 . Ans: C °

°

°

°

26. he C0C0C C0C0C bond bond angle angle in propan propane e C/6 is closest to A) 89 . B) 198.- . C) 129 . D) 169 . Ans: B °

°

°

°

28. What are the for#al charges charges of boron and nitrogen respecti" respecti"ely ely in the folloing folloing structure?

A) %1 and '1 Ans: A

B) %1 and 9

C) 9 and '1

D) 9 and 9

9. Which one one of the follo folloing ing is isoelect isoelectronic ronic ith ith C(2? ' A) $(2 >  > B) $(2 C) $(2 D) ( Ans: B 1. 7n hich of the folloing folloing does hydrogen hydrogen ha"e a partial partial negati"e negati"e charge based on electronegati"ity? A) B/ B) C/+ C) $/ D) /2( Ans: A 2. Which of the folloin folloing g species ha"e a ero for#al for#al charge on its its carbon ato#?

A) 7 and 77 Ans: B

B) 77 and 7;

C) 777 77 7 and 7;

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D) 7 77 and 777

Chapter 1: 4tructure Deter#ines ,roperties

. Which one of the folloin folloing g species is for#ed for#ed hen diao#ethane diao#ethane loses loses a nitrogen #olecule?

diao#ethane

A) A B) B Ans: A

C) C

D) D

+. Which Which species species is is for#ed for#ed hen the the C/ $  $2' cation loses a nitrogen #olecule?

A. H3C B. H2C C. H3C

•

D. H3C A) A B) B Ans: A

C) C

D) D

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Chapter 1: 4tructure Deter#ines ,roperties

-. @i"e the the #olecular #olecular for#ula for#ula of the the co#pound co#pound shon belo: belo:

A) C6/1( Ans: D

B) C8/16(

C) C19/16(

D) C19/29(

. he electron electron pair #o"e#ent #o"e#ent depicted depicted belo produces produces a second resonance resonance for# for the species. What is the for#al charge on the nitrogen ato# for this second resonance for#?

A) %2 B) %1 Ans: B

C) 9

D) '1

5. Which state#e state#ent nt correctly correctly describes describes the structures structures of B/ B/ and $/? A) Both Both are are tri trigo gona nall and and plan planar ar.. B)

Both are pyra#idal.

C)

B/ is trigonal planar and $/ is trigonal pyra#idal.

D)

B/ is trigonal pyra#idal and $/ is trigonal planar.

Ans: C 6. Which one of of the folloing folloing is the the conugate conugate acid of ethanol ethanol??  3  ' ' A) C/C/2( B) C/C/2( C) C/C/2(/2 D) C/C/2(/' Ans: C

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Chapter 1: 4tructure Deter#ines ,roperties

8. 7n the euilibri euilibriu# u# belo belo the strongest strongest base base is: !p a /2(  1-.5 p a $/  )

A) A B) B Ans: B

C) C

D) D

+9. 7n the euilibri euilibriu# u# belo belo the strongest strongest acid acid is:

A) A B) B Ans: A

C) C

D) D

+1. Which one one of the follo folloing ing is the the strongest strongest base? base?

A) A B) B Ans: A

C) C

D) D

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Chapter 1: 4tructure Deter#ines ,roperties

+2. Which one of the folloing folloing #echanistica #echanistically lly depicts depicts the protonation protonation of #ethanol by hydrogen bro#ide?

A) A B) B Ans: A

C) C

D) D

+. Which one one of the follo folloing ing is the the strongest strongest acid? acid? A) C/2C(2/ B) ClC/2C(2/ C) BrC/2C(2/ Ans: A

D) 7C/2C(2/

++. Which one of the folloin folloing g has the largest largest acid euilibriu# euilibriu# constant constant  a? A) C/C(2/ B) C/2ClC(2/ C) C/Cl2C(2/ D) CClC(2/ Ans: D

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Chapter 1: 4tructure Deter#ines ,roperties

+-. or hich of of the folloing folloing does does the euilibriu# euilibriu# fa"or fa"or reactants. reactants.

A) A B) B Ans: C

C) C

D) D

+. 7dentify 7dentify the resonance structure structure hich results results fro# the folloing folloing Eelectron Eelectron pair #o"e#entsE.

A) A B) B Ans: A

C) C

D) D

+5. A Feis structu structure re of the the aide aide ion $ >  > is shon belo. he he for#al charge on the #iddle nitrogen ato# is:

A) '2 B) '1 Ans: B

C) 9

D) 31

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Chapter 1: 4tructure Deter#ines ,roperties

+6. 7dentify 7dentify the species species hich results results fro# the folloing folloing #o"e#ent #o"e#ent of electron electron pairs.

A) A B) B Ans: A

C) C

D) D

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Chapter 1: 4tructure Deter#ines ,roperties

+8. he #ost stable stable resonance resonance contributor contributor of this this ould ould be:

A) A B) B Ans: B

C) C

D) D

-9. What is is the #olecul #olecular ar for#ula for#ula of aspirin aspirin?? O

O OH O

A) C/+(+ Ans: C

B) C6/6(+

C) C8/6(+

D) C8/19(+

-1. Which of the the folloing folloing is not identic identical al to the others? others?

A

A) A B) B Ans: D

B

C) C

C

D

D) D

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Chapter 1: 4tructure Deter#ines ,roperties

-2. Which of the line%bond line%bond structures structures belo belo cannot represent represent a stable stable #olecule? #olecule? B.

A.

C.

D.

A) A B) B Ans: C

C) C

D) D

-. Which of the the electron%#o" electron%#o"e#ent e#ent arros arros belo are are $( "alid? "alid? A.

C

C C

C

C

B.

C

C

C

O

C

D.

C.

C

A) A B) B Ans: C

C) C

D) D

-+. What ato# ato# ould ha"e ha"e a for#al charge charge in this this structure? structure? B

A

C

O N CH2 O D

H

A) A B) B Ans: D

C) C

D) D

--. =an* the folloing folloing in order of decreasing decreasing acidity acidity.. !#ore acidic acidic G less acidic)

O

N

N CH3

HO H

H

I

II

A)

III

CH3

H IV

7 G 7; G 777 G 77

C)

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7; G 7 G 77 G 777

Chapter 1: 4tructure Deter#ines ,roperties

B)

777 G 77 G 7 G 7;

D)

7 G 777 G 7; G 77

Ans: A -. Hsing resonance resonance principles principles hat hat ato# ato# is acid acid first protonated in the #olecule shon? B H

D

N

A H2N

C

NH2

C

A) A B) B Ans: B

C) C

D) D

-5. What structure structure ould ould result fro# these these electron electron #o"e#ent #o"e#ent arros?

?

O

+

OH O

O

A

O

B

A) A B) B Ans: C

C

C) C

D

D) D

-6. What ould ould be be the line%bon line%bond d structure structure for !C/)CC/2C/!C/)2?

A

A) A B) B Ans: A

B

C) C

C

D

D) D

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