Among the given alkenes , the ones that do not exhibit cis-trans geometric isomerism have to be identified. Concept Introduction: Geometric isomers are obtained for compounds containing carbon‑carbon double bond due to restricted rotation of the double bond. If the groups or atoms that are attached to the carbon atoms present in the double bond are different means, then the molecule is said to have geometric isomerism. Orientation of the group or the atoms that is bonded to the carbon atom will be different resulting in geometric isomers. If the groups that are attached to the carbon atoms are present on same side of the double bond, then it is known as cis- isomer. If the groups are on opposite side of the double bond means it is known as trans- isomer. Example:

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Answer 1

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Chapter 11, Problem 11.49QP

Interpretation Introduction

Interpretation:

Among the given alkenes, the ones that do not exhibit cis-trans geometric isomerism have to be identified.

Concept Introduction:

Geometric isomers are obtained for compounds containing carbon‑carbon double bond due to restricted rotation of the double bond. If the groups or atoms that are attached to the carbon atoms present in the double bond are different means, then the molecule is said to have geometric isomerism. Orientation of the group or the atoms that is bonded to the carbon atom will be different resulting in geometric isomers.

If the groups that are attached to the carbon atoms are present on same side of the double bond, then it is known as cis- isomer. If the groups are on opposite side of the double bond means it is known as trans- isomer.

Example:

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Answer 2

Question

Chapter 11, Problem 11.49QP

Interpretation Introduction

Interpretation:

Among the given alkenes, the ones that do not exhibit cis-trans geometric isomerism have to be identified.

Concept Introduction:

Geometric isomers are obtained for compounds containing carbon‑carbon double bond due to restricted rotation of the double bond. If the groups or atoms that are attached to the carbon atoms present in the double bond are different means, then the molecule is said to have geometric isomerism. Orientation of the group or the atoms that is bonded to the carbon atom will be different resulting in geometric isomers.

If the groups that are attached to the carbon atoms are present on same side of the double bond, then it is known as cis- isomer. If the groups are on opposite side of the double bond means it is known as trans- isomer.

Example:

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Answer 3

Question

Chapter 11, Problem 11.49QP

Interpretation Introduction

Interpretation:

Among the given alkenes, the ones that do not exhibit cis-trans geometric isomerism have to be identified.

Concept Introduction:

Geometric isomers are obtained for compounds containing carbon‑carbon double bond due to restricted rotation of the double bond. If the groups or atoms that are attached to the carbon atoms present in the double bond are different means, then the molecule is said to have geometric isomerism. Orientation of the group or the atoms that is bonded to the carbon atom will be different resulting in geometric isomers.

If the groups that are attached to the carbon atoms are present on same side of the double bond, then it is known as cis- isomer. If the groups are on opposite side of the double bond means it is known as trans- isomer.

Example:

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Answer 4

Question

Chapter 11, Problem 11.49QP

Interpretation Introduction

Interpretation:

Among the given alkenes, the ones that do not exhibit cis-trans geometric isomerism have to be identified.

Concept Introduction:

Geometric isomers are obtained for compounds containing carbon‑carbon double bond due to restricted rotation of the double bond. If the groups or atoms that are attached to the carbon atoms present in the double bond are different means, then the molecule is said to have geometric isomerism. Orientation of the group or the atoms that is bonded to the carbon atom will be different resulting in geometric isomers.

If the groups that are attached to the carbon atoms are present on same side of the double bond, then it is known as cis- isomer. If the groups are on opposite side of the double bond means it is known as trans- isomer.

Example:

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Answer 5

Chapter 11, Problem 11.49QP

Interpretation Introduction

Interpretation:

Among the given alkenes, the ones that do not exhibit cis-trans geometric isomerism have to be identified.

Concept Introduction:

Geometric isomers are obtained for compounds containing carbon‑carbon double bond due to restricted rotation of the double bond. If the groups or atoms that are attached to the carbon atoms present in the double bond are different means, then the molecule is said to have geometric isomerism. Orientation of the group or the atoms that is bonded to the carbon atom will be different resulting in geometric isomers.

If the groups that are attached to the carbon atoms are present on same side of the double bond, then it is known as cis- isomer. If the groups are on opposite side of the double bond means it is known as trans- isomer.

Example:

Answer 6

Chapter 11, Problem 11.49QP

Interpretation Introduction

Interpretation:

Among the given alkenes, the ones that do not exhibit cis-trans geometric isomerism have to be identified.

Concept Introduction:

Geometric isomers are obtained for compounds containing carbon‑carbon double bond due to restricted rotation of the double bond. If the groups or atoms that are attached to the carbon atoms present in the double bond are different means, then the molecule is said to have geometric isomerism. Orientation of the group or the atoms that is bonded to the carbon atom will be different resulting in geometric isomers.

If the groups that are attached to the carbon atoms are present on same side of the double bond, then it is known as cis- isomer. If the groups are on opposite side of the double bond means it is known as trans- isomer.

Example:

Answer 7

Chapter 11, Problem 11.49QP

Interpretation Introduction

Interpretation:

Among the given alkenes, the ones that do not exhibit cis-trans geometric isomerism have to be identified.

Concept Introduction:

Geometric isomers are obtained for compounds containing carbon‑carbon double bond due to restricted rotation of the double bond. If the groups or atoms that are attached to the carbon atoms present in the double bond are different means, then the molecule is said to have geometric isomerism. Orientation of the group or the atoms that is bonded to the carbon atom will be different resulting in geometric isomers.

If the groups that are attached to the carbon atoms are present on same side of the double bond, then it is known as cis- isomer. If the groups are on opposite side of the double bond means it is known as trans- isomer.

Example:

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Answer 9

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Answer 11

Ch. 11.2 - Name each of the following alkenes and alkynes...Ch. 11.2 - Prob. 11.2PP Ch. 11.2 - Prob. 11.1Q Ch. 11.2 - Prob. 11.2Q Ch. 11.3 - Prob. 11.3PP Ch. 11.3 - Prob. 11.4PP Ch. 11.3 - Prob. 11.5PP Ch. 11.3 - Prob. 11.3Q Ch. 11.3 - Prob. 11.4Q Ch. 11.3 - Prob. 11.5Q

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