The structural formulas for trans-3-heptene and cis-3-heptene should be written. Concept Introduction: Compounds consist of carbon and hydrogen is known as hydrocarbons. Hydrocarbons are classified as saturated hydrocarbon and unsaturated hydrocarbon. Saturated hydrocarbons are those hydrocarbons in which carbon-carbon single bond is present as carbon is linked with four atoms such as alkanes. Unsaturated hydrocarbons are those hydrocarbons in which one or more carbon-carbon double and carbon-carbon triple bond is present such as alkenes and alkynes. The compounds having similar chemical formula but different structures are known as isomers. Cis-Trans isomers are known as geometric isomers. In Cis isomers, functional groups are present on same side of the carbon chain whereas in Tans isomers, functional groups are present on different or opposite side of the chain.

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Answer 1

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Definition Definition Molecules that have multiple bonds between their carbon atoms. Alkenes are hydrocarbons with a double bond between two adjacent carbon atoms (R 2 C=CR 2 ), whereas alkynes are hydrocarbons with a triple bond between two adjacent carbon atoms R-C=C-R . These two groups are known as unsaturated hydrocarbons. They have fewer hydrogen atoms when compared with alkanes with same number of carbon atoms. The general molecular formula for an unsaturated hydrocarbon can be represented as C n H 2n +2 .

Chapter 7, Problem 9P

Interpretation Introduction

Interpretation:

The structural formulas for trans-3-heptene and cis-3-heptene should be written.

Concept Introduction:

Compounds consist of carbon and hydrogen is known as hydrocarbons. Hydrocarbons are classified as saturated hydrocarbon and unsaturated hydrocarbon.

Saturated hydrocarbons are those hydrocarbons in which carbon-carbon single bond is present as carbon is linked with four atoms such as alkanes.

Unsaturated hydrocarbons are those hydrocarbons in which one or more carbon-carbon double and carbon-carbon triple bond is present such as alkenes and alkynes.

The compounds having similar chemical formula but different structures are known as isomers.

Cis-Trans isomers are known as geometric isomers. In Cis isomers, functional groups are present on same side of the carbon chain whereas in Tans isomers, functional groups are present on different or opposite side of the chain.

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(f) SO: Best Lewis Structure 3 e group geometry:_ shape/molecular geometry:, (g) CF2CF2 Best Lewis Structure polarity: e group arrangement:_ shape/molecular geometry: (h) (NH4)2SO4 Best Lewis Structure polarity: e group arrangement: shape/molecular geometry: polarity: Sketch (with angles): Sketch (with angles): Sketch (with angles):

1. Problem Set 3b Chem 141 For each of the following compounds draw the BEST Lewis Structure then sketch the molecule (showing bond angles). Identify (i) electron group geometry (ii) shape around EACH central atom (iii) whether the molecule is polar or non-polar (iv) (a) SeF4 Best Lewis Structure e group arrangement:_ shape/molecular geometry: polarity: (b) AsOBr3 Best Lewis Structure e group arrangement:_ shape/molecular geometry: polarity: Sketch (with angles): Sketch (with angles):

(c) SOCI Best Lewis Structure 2 e group arrangement: shape/molecular geometry:_ (d) PCls Best Lewis Structure polarity: e group geometry:_ shape/molecular geometry:_ (e) Ba(BrO2): Best Lewis Structure polarity: e group arrangement: shape/molecular geometry: polarity: Sketch (with angles): Sketch (with angles): Sketch (with angles):

Answer 2

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Definition Definition Molecules that have multiple bonds between their carbon atoms. Alkenes are hydrocarbons with a double bond between two adjacent carbon atoms (R 2 C=CR 2 ), whereas alkynes are hydrocarbons with a triple bond between two adjacent carbon atoms R-C=C-R . These two groups are known as unsaturated hydrocarbons. They have fewer hydrogen atoms when compared with alkanes with same number of carbon atoms. The general molecular formula for an unsaturated hydrocarbon can be represented as C n H 2n +2 .

Chapter 7, Problem 9P

Interpretation Introduction

Interpretation:

The structural formulas for trans-3-heptene and cis-3-heptene should be written.

Concept Introduction:

Compounds consist of carbon and hydrogen is known as hydrocarbons. Hydrocarbons are classified as saturated hydrocarbon and unsaturated hydrocarbon.

Saturated hydrocarbons are those hydrocarbons in which carbon-carbon single bond is present as carbon is linked with four atoms such as alkanes.

Unsaturated hydrocarbons are those hydrocarbons in which one or more carbon-carbon double and carbon-carbon triple bond is present such as alkenes and alkynes.

The compounds having similar chemical formula but different structures are known as isomers.

Cis-Trans isomers are known as geometric isomers. In Cis isomers, functional groups are present on same side of the carbon chain whereas in Tans isomers, functional groups are present on different or opposite side of the chain.

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Answer 3

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Definition Definition Molecules that have multiple bonds between their carbon atoms. Alkenes are hydrocarbons with a double bond between two adjacent carbon atoms (R 2 C=CR 2 ), whereas alkynes are hydrocarbons with a triple bond between two adjacent carbon atoms R-C=C-R . These two groups are known as unsaturated hydrocarbons. They have fewer hydrogen atoms when compared with alkanes with same number of carbon atoms. The general molecular formula for an unsaturated hydrocarbon can be represented as C n H 2n +2 .

Chapter 7, Problem 9P

Interpretation Introduction

Interpretation:

The structural formulas for trans-3-heptene and cis-3-heptene should be written.

Concept Introduction:

Compounds consist of carbon and hydrogen is known as hydrocarbons. Hydrocarbons are classified as saturated hydrocarbon and unsaturated hydrocarbon.

Saturated hydrocarbons are those hydrocarbons in which carbon-carbon single bond is present as carbon is linked with four atoms such as alkanes.

Unsaturated hydrocarbons are those hydrocarbons in which one or more carbon-carbon double and carbon-carbon triple bond is present such as alkenes and alkynes.

The compounds having similar chemical formula but different structures are known as isomers.

Cis-Trans isomers are known as geometric isomers. In Cis isomers, functional groups are present on same side of the carbon chain whereas in Tans isomers, functional groups are present on different or opposite side of the chain.

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Answer 4

Question

Definition Definition Molecules that have multiple bonds between their carbon atoms. Alkenes are hydrocarbons with a double bond between two adjacent carbon atoms (R 2 C=CR 2 ), whereas alkynes are hydrocarbons with a triple bond between two adjacent carbon atoms R-C=C-R . These two groups are known as unsaturated hydrocarbons. They have fewer hydrogen atoms when compared with alkanes with same number of carbon atoms. The general molecular formula for an unsaturated hydrocarbon can be represented as C n H 2n +2 .

Chapter 7, Problem 9P

Interpretation Introduction