Question 1

trans-Stilbene can be generated from a Pd catalyzed reaction of an aryl halide with styrene.This reaction is an example of ____.

Accepted Answer

A)  Stille Coupling and Carbonylation
B)  Suzuki-Miyaura Coupling
C)  Heck-Mizoroki Coupling
D)  Sonogashira Coupling
E)  Gilman Reagent-Mediated CouplingF) D) and E)
G) A) and D)

Question 2

A student wants to make 4-bromo-1-phenyl-1-butyne using Sonogahira coupling conditions,beginning with iodobenzene.This student will also require ____ in order to make this product.

Accepted Answer

The answer of A student wants to make 4-bromo-1-phenyl-1-butyne using...

Question 3

Consider the transition metal complex CrF5.The oxidation state of the metal is ____.

Accepted Answer

A)  0
B)  +1
C)  +3
D)  +5
E)  +6F) C) and D)
G) A) and B)

Question 4

Which choice could provide the product. _______ + _______

Accepted Answer

A)  benzyl chloride,propyne
B)  benzyl iodide,acetylene
C)  phenyl bromide,2-butyne
D)  phenyl bromide,acetylene
E)  phenyl iodide,etheneF) A) and B)
G) A) and C)

Question 5

The second step in the mechanism of an alkene reacting with Wilkinson's catalyst is ____.

Accepted Answer

A)  insertion
B)  ligand association
C)  oxidative addition
D)  reductive elimination
E)  ligand dissociationF) D) and E)
G) A) and E)

Question 6

Consider the transition metal complex Ni(CN) 42-.The oxidation state of the metal is ____.

Accepted Answer

A)  +1
B)  +2
C)  +3
D)  +4
E)  +5F) B) and D)
G) C) and D)

Question 7

Consider the transition metal complex Mo(CO) 6.The oxidation state of the metal is ____.

Accepted Answer

A)  0
B)  +1
C)  +2
D)  +3
E)  +4F) A) and D)
G) C) and D)

Question 8

An allyl anion donates a total of ____ electrons to a metal complex.

Accepted Answer

The answer of An allyl anion donates a total of...

Question 9

Consider the transition metal complex Cr(H2O) 63-.The total number of valence electrons this complex possesses is ____.

Accepted Answer

A)  2
B)  8
C)  10
D)  12
E)  18F) B) and C)
G) A) and E)

Question 10

Vitamin ____ is the only known biomolecule that possesses a carbon-metal bond.

Accepted Answer

A)  A
B)  C
C)  B12
D)  K
E)  B6F) B) and C)
G) None of the above

Question 11

The product of the following reaction is ___.

Accepted Answer

A)  hexane
B)  1-pentene
C)  2-hexene
D)  1-hexyne
E)  pentaneF) B) and E)
G) B) and C)

Question 12

Consider the transition metal complex Cr(CO) 52-.The oxidation state of the metal is ____.

Accepted Answer

A)  0
B)  -1
C)  -2
D)  +1
E)  +2F) A) and E)
G) B) and E)

Question 13

Consider the transition metal complex Ni(CO) 4.The oxidation state of the metal is ____.

Accepted Answer

A)  0
B)  +1
C)  +2
D)  +3
E)  +4F) A) and B)
G) A) and C)

Question 14

Reacting styrene with chlorobenzene under Heck-Mizoroki conditions will generate ____ as its product.

Accepted Answer

A)  p-nitrostilbene
B)  o-nitrostilbene
C)  m-nitrostilbene
D)  stilbene
E)  p-aminostilbeneF) A) and B)
G) None of the above

Question 15

Coupling benzyl bromide with propene,using a Pd catalyst,is an example of ____.

Accepted Answer

A)  Stille Coupling and Carbonylation
B)  Suzuki-Miyaura Coupling
C)  Heck-Mizoroki Coupling
D)  Sonogashira Coupling
E)  Gilman Reagent-Mediated CouplingF) B) and D)
G) All of the above

Question 16

Treating an aryl halide with a dialkyl cuprate is an example of ____.

Accepted Answer

A)  Stille Coupling and Carbonylation reaction
B)  Suzuki-Miyaura Coupling
C)  Heck-Mizoroki Coupling
D)  Sonogashira Coupling
E)  Gilman Reagent-Mediated CouplingF) B) and E)
G) B) and D)

Question 17

An hydrogenation catalyst that contains a solid phase (i.e.,metal catalyst)and a liquid phase (i.e.,solution of unsaturated compound)is known as a ____ catalyst.

Accepted Answer

The answer of An hydrogenation catalyst that contains a solid...

Question 18

Converting an alkene to an alkane using the catalyst Wilkinson's is ____ hydrogenation.

Accepted Answer

The answer of Converting an alkene to an alkane using...

Question 19

The corrin ring found within Vitamin B12 consists of ____ subunits.

Accepted Answer

A)  2,pyrrole
B)  4,pyrrole
C)  2,pyridine
D)  4,pyridine
E)  4,imidazoleF) A) and B)
G) None of the above

Question 20

The fourth step in the mechanism of an alkene reacting with Wilkinson's catalyst is ____.

Accepted Answer

A)  insertion
B)  ligand association
C)  oxidative addition
D)  reductive elimination
E)  ligand dissociationF) A) and E)
G) A) and D)

Exam 21: Transition Metal Complexes

Reacting styrene with chlorobenzene under Heck-Mizoroki conditions will generate ____ as its product.

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Converting an alkene to an alkane using the catalyst Wilkinson's is ____ hydrogenation.

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Consider the transition metal complex Ni(CN) 42-.The oxidation state of the metal is ____.

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Consider the transition metal complex Mo(CO) 6.The oxidation state of the metal is ____.

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The second step in the mechanism of an alkene reacting with Wilkinson's catalyst is ____.

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The product of the following reaction is ___.

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An allyl anion donates a total of ____ electrons to a metal complex.

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Treating an aryl halide with a dialkyl cuprate is an example of ____.

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Consider the transition metal complex Cr(H2O) 63-.The total number of valence electrons this complex possesses is ____.

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Coupling benzyl bromide with propene,using a Pd catalyst,is an example of ____.

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Consider the transition metal complex Cr(CO) 52-.The oxidation state of the metal is ____.

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The fourth step in the mechanism of an alkene reacting with Wilkinson's catalyst is ____.

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A student wants to make 4-bromo-1-phenyl-1-butyne using Sonogahira coupling conditions,beginning with iodobenzene.This student will also require ____ in order to make this product.

Correct AnswerverifiedShow Answer

Vitamin ____ is the only known biomolecule that possesses a carbon-metal bond.

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Consider the transition metal complex CrF5.The oxidation state of the metal is ____.

Correct AnswerverifiedShow Answer

trans-Stilbene can be generated from a Pd catalyzed reaction of an aryl halide with styrene.This reaction is an example of ____.

Correct AnswerverifiedShow Answer

Consider the transition metal complex Ni(CO) 4.The oxidation state of the metal is ____.

Correct AnswerverifiedShow Answer

An hydrogenation catalyst that contains a solid phase (i.e.,metal catalyst)and a liquid phase (i.e.,solution of unsaturated compound)is known as a ____ catalyst.

Correct AnswerverifiedShow Answer

The corrin ring found within Vitamin B12 consists of ____ subunits.

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Which choice could provide the product. _______ + _______

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Consider the transition metal complex Ni(CN) ₄²^-.The oxidation state of the metal is ____.

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Consider the transition metal complex Mo(CO) ₆.The oxidation state of the metal is ____.

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Consider the transition metal complex Cr(H₂O) ₆^3-.The total number of valence electrons this complex possesses is ____.

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Consider the transition metal complex Cr(CO) ₅^2-.The oxidation state of the metal is ____.

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Consider the transition metal complex CrF₅.The oxidation state of the metal is ____.

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Consider the transition metal complex Ni(CO) ₄.The oxidation state of the metal is ____.

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The corrin ring found within Vitamin B₁₂ consists of ____ subunits.

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Which choice could provide the product. _ + _

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