To predict the major products for the given alkyne reaction and transformations should be identified. Concept Introduction : Hydrogenation : The hydrogenation is a reduction reaction which results in an addition of hydrogen. Several organic compounds ( alkenes , alkynes ) is hydrogenated, it becomes more saturated. Hydrogen reduction reaction: The alkenes or alkynes can be reduced to alkanes with H 2 in the presence of metal catalyst ( Pd, Pt, Ni ) . The new C-H σ bonds are formed simultaneously from H atoms absorbed into the metal surface. Platinum reduction reaction: The alkenes can be reduced to alkanes with H 2 in the presence of metal catalyst ( Pt ) . The two new C-H σ bonds are formed simultaneously from H atoms absorbed into the metal surface. This type of reaction stereospecific giving only the cis (syn) addition product.

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Answer 1

Question

Chapter 10.5, Problem 9CC

(a)

Interpretation Introduction

Interpretation:

To predict the major products for the given alkyne reaction and transformations should be identified.

Concept Introduction:

Hydrogenation: The hydrogenation is a reduction reaction which results in an addition of hydrogen. Several organic compounds (alkenes, alkynes) is hydrogenated, it becomes more saturated.

Hydrogen reduction reaction: The alkenes or alkynes can be reduced to alkanes with H2 in the presence of metal catalyst (Pd, Pt, Ni) . The new C-H σ bonds are formed simultaneously from H atoms absorbed into the metal surface.

Platinum reduction reaction: The alkenes can be reduced to alkanes with H2 in the presence of metal catalyst (Pt) . The two new C-H σ bonds are formed simultaneously from H atoms absorbed into the metal surface. This type of reaction stereospecific giving only the cis (syn) addition product.

(b)

Interpretation Introduction

Interpretation:

To predict the major products for the given alkyne reaction and transformations should be identified.

Concept Introduction:

Hydrogenation: The hydrogenation is a reduction reaction which results in an addition of hydrogen. Several organic compounds (alkenes, alkynes) is hydrogenated, it becomes more saturated.

Hydrogen reduction reaction: The alkenes or alkynes can be reduced to alkanes with H2 in the presence of metal catalyst (Pd, Pt, Ni) . The new C-H σ bonds are formed simultaneously from H atoms absorbed into the metal surface.

Platinum reduction reaction: The alkenes can be reduced to alkanes with H2 in the presence of metal catalyst (Pt) . The two new C-H σ bonds are formed simultaneously from H atoms absorbed into the metal surface. This type of reaction stereospecific giving only the cis (syn) addition product.

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Answer 2

Question

Chapter 10.5, Problem 9CC

(a)

Interpretation Introduction

Interpretation:

To predict the major products for the given alkyne reaction and transformations should be identified.

Concept Introduction:

Hydrogenation: The hydrogenation is a reduction reaction which results in an addition of hydrogen. Several organic compounds (alkenes, alkynes) is hydrogenated, it becomes more saturated.

Hydrogen reduction reaction: The alkenes or alkynes can be reduced to alkanes with H2 in the presence of metal catalyst (Pd, Pt, Ni) . The new C-H σ bonds are formed simultaneously from H atoms absorbed into the metal surface.

Platinum reduction reaction: The alkenes can be reduced to alkanes with H2 in the presence of metal catalyst (Pt) . The two new C-H σ bonds are formed simultaneously from H atoms absorbed into the metal surface. This type of reaction stereospecific giving only the cis (syn) addition product.

(b)

Interpretation Introduction

Interpretation:

To predict the major products for the given alkyne reaction and transformations should be identified.

Concept Introduction:

Hydrogenation: The hydrogenation is a reduction reaction which results in an addition of hydrogen. Several organic compounds (alkenes, alkynes) is hydrogenated, it becomes more saturated.

Hydrogen reduction reaction: The alkenes or alkynes can be reduced to alkanes with H2 in the presence of metal catalyst (Pd, Pt, Ni) . The new C-H σ bonds are formed simultaneously from H atoms absorbed into the metal surface.

Platinum reduction reaction: The alkenes can be reduced to alkanes with H2 in the presence of metal catalyst (Pt) . The two new C-H σ bonds are formed simultaneously from H atoms absorbed into the metal surface. This type of reaction stereospecific giving only the cis (syn) addition product.

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Answer 3

Question

Chapter 10.5, Problem 9CC

(a)

Interpretation Introduction

Interpretation:

To predict the major products for the given alkyne reaction and transformations should be identified.

Concept Introduction:

Hydrogenation: The hydrogenation is a reduction reaction which results in an addition of hydrogen. Several organic compounds (alkenes, alkynes) is hydrogenated, it becomes more saturated.

Hydrogen reduction reaction: The alkenes or alkynes can be reduced to alkanes with H2 in the presence of metal catalyst (Pd, Pt, Ni) . The new C-H σ bonds are formed simultaneously from H atoms absorbed into the metal surface.

Platinum reduction reaction: The alkenes can be reduced to alkanes with H2 in the presence of metal catalyst (Pt) . The two new C-H σ bonds are formed simultaneously from H atoms absorbed into the metal surface. This type of reaction stereospecific giving only the cis (syn) addition product.

(b)

Interpretation Introduction

Interpretation:

To predict the major products for the given alkyne reaction and transformations should be identified.

Concept Introduction:

Hydrogenation: The hydrogenation is a reduction reaction which results in an addition of hydrogen. Several organic compounds (alkenes, alkynes) is hydrogenated, it becomes more saturated.

Hydrogen reduction reaction: The alkenes or alkynes can be reduced to alkanes with H2 in the presence of metal catalyst (Pd, Pt, Ni) . The new C-H σ bonds are formed simultaneously from H atoms absorbed into the metal surface.

Platinum reduction reaction: The alkenes can be reduced to alkanes with H2 in the presence of metal catalyst (Pt) . The two new C-H σ bonds are formed simultaneously from H atoms absorbed into the metal surface. This type of reaction stereospecific giving only the cis (syn) addition product.

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Answer 4

Question

Chapter 10.5, Problem 9CC

(a)

Interpretation Introduction

Interpretation:

To predict the major products for the given alkyne reaction and transformations should be identified.

Concept Introduction:

Hydrogenation: The hydrogenation is a reduction reaction which results in an addition of hydrogen. Several organic compounds (alkenes, alkynes) is hydrogenated, it becomes more saturated.

Hydrogen reduction reaction: The alkenes or alkynes can be reduced to alkanes with H2 in the presence of metal catalyst (Pd, Pt, Ni) . The new C-H σ bonds are formed simultaneously from H atoms absorbed into the metal surface.

Platinum reduction reaction: The alkenes can be reduced to alkanes with H2 in the presence of metal catalyst (Pt) . The two new C-H σ bonds are formed simultaneously from H atoms absorbed into the metal surface. This type of reaction stereospecific giving only the cis (syn) addition product.

(b)

Interpretation Introduction

Interpretation:

To predict the major products for the given alkyne reaction and transformations should be identified.

Concept Introduction:

Hydrogenation: The hydrogenation is a reduction reaction which results in an addition of hydrogen. Several organic compounds (alkenes, alkynes) is hydrogenated, it becomes more saturated.

Hydrogen reduction reaction: The alkenes or alkynes can be reduced to alkanes with H2 in the presence of metal catalyst (Pd, Pt, Ni) . The new C-H σ bonds are formed simultaneously from H atoms absorbed into the metal surface.

Platinum reduction reaction: The alkenes can be reduced to alkanes with H2 in the presence of metal catalyst (Pt) . The two new C-H σ bonds are formed simultaneously from H atoms absorbed into the metal surface. This type of reaction stereospecific giving only the cis (syn) addition product.

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Answer 5

Chapter 10.5, Problem 9CC

(a)

Interpretation Introduction

Interpretation:

To predict the major products for the given alkyne reaction and transformations should be identified.

Concept Introduction:

Hydrogenation: The hydrogenation is a reduction reaction which results in an addition of hydrogen. Several organic compounds (alkenes, alkynes) is hydrogenated, it becomes more saturated.

Hydrogen reduction reaction: The alkenes or alkynes can be reduced to alkanes with H2 in the presence of metal catalyst (Pd, Pt, Ni) . The new C-H σ bonds are formed simultaneously from H atoms absorbed into the metal surface.

Platinum reduction reaction: The alkenes can be reduced to alkanes with H2 in the presence of metal catalyst (Pt) . The two new C-H σ bonds are formed simultaneously from H atoms absorbed into the metal surface. This type of reaction stereospecific giving only the cis (syn) addition product.

(b)

Interpretation Introduction

Interpretation:

To predict the major products for the given alkyne reaction and transformations should be identified.

Concept Introduction:

Hydrogenation: The hydrogenation is a reduction reaction which results in an addition of hydrogen. Several organic compounds (alkenes, alkynes) is hydrogenated, it becomes more saturated.

Hydrogen reduction reaction: The alkenes or alkynes can be reduced to alkanes with H2 in the presence of metal catalyst (Pd, Pt, Ni) . The new C-H σ bonds are formed simultaneously from H atoms absorbed into the metal surface.

Platinum reduction reaction: The alkenes can be reduced to alkanes with H2 in the presence of metal catalyst (Pt) . The two new C-H σ bonds are formed simultaneously from H atoms absorbed into the metal surface. This type of reaction stereospecific giving only the cis (syn) addition product.

Answer 6

Chapter 10.5, Problem 9CC

(a)

Interpretation Introduction

Interpretation:

To predict the major products for the given alkyne reaction and transformations should be identified.

Concept Introduction:

Hydrogenation: The hydrogenation is a reduction reaction which results in an addition of hydrogen. Several organic compounds (alkenes, alkynes) is hydrogenated, it becomes more saturated.

Hydrogen reduction reaction: The alkenes or alkynes can be reduced to alkanes with H2 in the presence of metal catalyst (Pd, Pt, Ni) . The new C-H σ bonds are formed simultaneously from H atoms absorbed into the metal surface.

Platinum reduction reaction: The alkenes can be reduced to alkanes with H2 in the presence of metal catalyst (Pt) . The two new C-H σ bonds are formed simultaneously from H atoms absorbed into the metal surface. This type of reaction stereospecific giving only the cis (syn) addition product.

Answer 7

Chapter 10.5, Problem 9CC

(a)

Interpretation Introduction

Interpretation:

To predict the major products for the given alkyne reaction and transformations should be identified.

Concept Introduction:

Hydrogenation: The hydrogenation is a reduction reaction which results in an addition of hydrogen. Several organic compounds (alkenes, alkynes) is hydrogenated, it becomes more saturated.

Hydrogen reduction reaction: The alkenes or alkynes can be reduced to alkanes with H2 in the presence of metal catalyst (Pd, Pt, Ni) . The new C-H σ bonds are formed simultaneously from H atoms absorbed into the metal surface.

Platinum reduction reaction: The alkenes can be reduced to alkanes with H2 in the presence of metal catalyst (Pt) . The two new C-H σ bonds are formed simultaneously from H atoms absorbed into the metal surface. This type of reaction stereospecific giving only the cis (syn) addition product.

Answer 8

(b)

Interpretation Introduction

Interpretation:

To predict the major products for the given alkyne reaction and transformations should be identified.

Concept Introduction:

Hydrogenation: The hydrogenation is a reduction reaction which results in an addition of hydrogen. Several organic compounds (alkenes, alkynes) is hydrogenated, it becomes more saturated.

Hydrogen reduction reaction: The alkenes or alkynes can be reduced to alkanes with H2 in the presence of metal catalyst (Pd, Pt, Ni) . The new C-H σ bonds are formed simultaneously from H atoms absorbed into the metal surface.

Platinum reduction reaction: The alkenes can be reduced to alkanes with H2 in the presence of metal catalyst (Pt) . The two new C-H σ bonds are formed simultaneously from H atoms absorbed into the metal surface. This type of reaction stereospecific giving only the cis (syn) addition product.

Answer 9

(b)

Interpretation Introduction

Interpretation:

To predict the major products for the given alkyne reaction and transformations should be identified.

Concept Introduction:

Hydrogenation: The hydrogenation is a reduction reaction which results in an addition of hydrogen. Several organic compounds (alkenes, alkynes) is hydrogenated, it becomes more saturated.

Hydrogen reduction reaction: The alkenes or alkynes can be reduced to alkanes with H2 in the presence of metal catalyst (Pd, Pt, Ni) . The new C-H σ bonds are formed simultaneously from H atoms absorbed into the metal surface.

Platinum reduction reaction: The alkenes can be reduced to alkanes with H2 in the presence of metal catalyst (Pt) . The two new C-H σ bonds are formed simultaneously from H atoms absorbed into the metal surface. This type of reaction stereospecific giving only the cis (syn) addition product.

Answer 10

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Answer 11

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Answer 13

Ch. 10.2 - Prob. 1LTS Ch. 10.2 - Prob. 1PTS Ch. 10.2 - Prob. 2ATS Ch. 10.2 - Prob. 3ATS Ch. 10.2 - Prob. 4ATS Ch. 10.3 - Prob. 2LTS Ch. 10.3 - Prob. 5PTS Ch. 10.3 - Prob. 6ATS Ch. 10.4 - Prob. 7CC Ch. 10.4 - Prob. 8CC

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