Chapter 16, Problem 55P

(a)

Interpretation Introduction

Interpretation:

To draw the structure of the given compounds.

Concept introduction:

The structure of the organic compound and its name are closely related to each other. The structure of the compound can be drawn if the name is given and vice-versa. The name of an organic compounds tells about the number of carbons present in the compound which is necessary so as to draw the carbon skeleton in the structure. The suffix of the name of the compound provides information about the functional group present in the compound.

Answer to Problem 55P

The structure of N,N-dimethylhexanamide is:

Explanation of Solution

The structure of the compound can be drawn if the name is given and vice-versa. The name of the compound is N,N-dimethylhexanamide. It indicates that six carbons are present in the compound. The suffix is ‘amide’ indicating the presence of an amide group $\left(-{\text{CONH}}_2\right)$. There are two methyl groups attached to nitrogen instead of hydrogens.

Thus, the structure is drawn as,

(b)

Interpretation Introduction

Interpretation:

To draw the structure of the given compounds.

Concept introduction:

The structure of the organic compound and its name are closely related to each other. The structure of the compound can be drawn if the name is given and vice-versa. The name of an organic compounds tells about the number of carbons present in the compound which is necessary so as to draw the carbon skeleton in the structure. The suffix of the name of the compound provides information about the functional group present in the compound.

Answer to Problem 55P

The structure of 3,3-dimethylhexanamide is:

Explanation of Solution

The structure of the compound can be drawn if the name is given and vice-versa. The name of the compound is 3,3-dimethylhexanamide. It indicates that six carbons are present in the compound. The suffix is ‘amide’ indicating the presence of an amide functional group $\left(-{\text{CONH}}_2\right)$. There are two methyl groups attached to third carbon in the compound. The numbering of carbon starts from the functional group side.

Thus, the structure is drawn as,

(c)

Interpretation Introduction

Interpretation:

To draw the structure of the given compound.

Concept introduction:

The structure of the organic compound and its name are closely related to each other. The structure of the compound can be drawn if the name is given and vice-versa. The name of an organic compounds tells about the number of carbons present in the compound which is necessary so as to draw the carbon skeleton in the structure. The suffix of the name of the compound provides information about the functional group present in the compound.

Answer to Problem 55P

The structure of $\text{cyclohexanecarbonyl chloride}$ is:

Explanation of Solution

The structure of the compound can be drawn if the name is given and vice-versa. The name of the compound is $\text{cyclohexanecarbonyl chloride}$. It indicates that six carbons are present in the ring that is cyclohexane ring. The suffix is ‘carbonyl’ indicating the presence of carbonyl functional group. There is a chloride group attached to carbonyl carbon in the compound.

Thus, the structure is drawn as,

(d)

Interpretation Introduction

Interpretation:

To draw the structure of the given compound.

Concept introduction:

The structure of the organic compound and its name are closely related to each other. The structure of the compound can be drawn if the name is given and vice-versa. The name of an organic compounds tells about the number of carbons present in the compound which is necessary so as to draw the carbon skeleton in the structure. The suffix of the name of the compound provides information about the functional group present in the compound.

Answer to Problem 55P

The structure of $\text{propanenitrile}$ is:

Explanation of Solution

The structure of the compound can be drawn if the name is given and vice-versa. The name of the compound is $\text{propanenitrile}$. It indicates that three carbons are present in the compound. The suffix is ‘nitrile’ indicating the presence of a nitrile functional group.

Thus, the structure is drawn as,

(e)

Interpretation Introduction

Interpretation:

To draw the structure of the given compounds.

Concept introduction:

The structure of the organic compound and its name are closely related to each other. The structure of the compound can be drawn if the name is given and vice-versa. The name of an organic compounds tells about the number of carbons present in the compound which is necessary so as to draw the carbon skeleton in the structure. The suffix of the name of the compound provides information about the functional group present in the compound.

Answer to Problem 55P

The structure of $\text{propionamide}$ is:

Explanation of Solution

The structure of the compound can be drawn if the name is given and vice-versa. The name of the compound is $\text{propionamide}$. It indicates that three carbons are present in the compound. The suffix is ‘amide’ indicating the presence of an amide functional group $\left(-{\text{CONH}}_2\right)$.

Thus, the structure is drawn as,

(f)

Interpretation Introduction

Interpretation:

To draw the structure of the given compound.

Concept introduction:

The structure of the organic compound and its name are closely related to each other. The structure of the compound can be drawn if the name is given and vice-versa. The name of an organic compounds tells about the number of carbons present in the compound which is necessary so as to draw the carbon skeleton in the structure. The suffix of the name of the compound provides information about the functional group present in the compound.

Answer to Problem 55P

The structure of $\text{sodium acetate}$ is:

Explanation of Solution

The structure of the compound can be drawn if the name is given and vice-versa. The name of the compound is $\text{sodium acetate}$. It indicates that sodium is present in the compound and it is attached to the acetate group $\left({\text{CH}}_{\text{3}}\text{COO}-\right)$.

Thus, the structure is drawn as,

(g)

Interpretation Introduction

Interpretation:

To draw the structure of  the given compounds.

Concept introduction:

The structure of the organic compound and its name are closely related to each other. The structure of the compound can be drawn if the name is given and vice-versa. The name of an organic compounds tells about the number of carbons present in the compound which is necessary so as to draw the carbon skeleton in the structure. The suffix of the name of the compound provides information about the functional group present in the compound.

Answer to Problem 55P

The structure of $\text{benzoic anhydride}$ is:

Explanation of Solution

The structure of the compound can be drawn if the name is given and vice-versa. The name of the compound is $\text{sodium acetate}$. The acid anhydride of benzoic acid is $\text{benzoic anhydride}$.

The suffix is ‘anhydride’ indicating the presence of indicating the presence of an acid anhydride group in which the $\left(\text{R}\right)$ group is benzene.

Thus, the structure is drawn as,

(h)

Interpretation Introduction

Interpretation:

To draw the structure of the given compound.

Concept introduction: The structure of the organic compound and its name are closely related to each other. The structure of the compound can be drawn if the name is given and vice-versa. The name of an organic compounds tells about the number of carbons present in the compound which is necessary so as to draw the carbon skeleton in the structure. The suffix of the name of the compound provides information about the functional group present in the compound.

Answer to Problem 55P

The structure of $\beta \text{-valerolactone}$ is:

Explanation of Solution

The structure of the compound can be drawn if the name is given and vice-versa. The name of the compound is $\beta \text{-valerolactone}$. The term ‘Valero’ indicates that five carbons are present in the compound. The suffix is ‘lactone’ indicating the presence of indicating the presence of an ester functional group. There is an ethyl group at the $\beta -\text{position}$ of the cyclic ring containing three carbon and an ester group.

Thus, the structure is drawn as,

(i)

Interpretation Introduction

Interpretation:

To draw the structure of the given compounds.

Concept introduction:

The structure of the organic compound and its name are closely related to each other. The structure of the compound can be drawn if the name is given and vice-versa. The name of an organic compounds tells about the number of carbons present in the compound which is necessary so as to draw the carbon skeleton in the structure. The suffix of the name of the compound provides information about the functional group present in the compound.

Answer to Problem 55P

The structure of 3-methylbutanenitrile is:

Explanation of Solution

The structure of the compound can be drawn if the name is given and vice-versa. The name of the compound is 3-methylbutanenitrile. It indicates that four carbons are present in the carbon skeleton of the compound. The suffix is ‘nitrile’ indicating the presence of a nitrile functional group. There is a methyl group on the third carbon in the chain. The numbering of carbons starts from the functional group side.

Thus, the structure is drawn as,

(j)

Interpretation Introduction

Interpretation:

To draw the structure of the given compound.

Concept introduction: The structure of the organic compound and its name are closely related to each other. The structure of the compound can be drawn if the name is given and vice-versa. The name of an organic compounds tells about the number of carbons present in the compound which is necessary so as to draw the carbon skeleton in the structure. The suffix of the name of the compound provides information about the functional group present in the compound.

Answer to Problem 55P

The structure of $\text{cycloheptanecarboxylic acid}$ is:

Explanation of Solution

The structure of the compound can be drawn if the name is given and vice-versa. The name of the compound is $\text{cycloheptanecarboxylic acid}$. It indicates that seven carbons are present in the cycliccompound. The suffix is ‘carboxylic acid’ indicating the presence of $\left(-\text{COOH}\right)$ the functional group.

Thus, the structure is drawn as,

(k)

Interpretation Introduction

Interpretation:

To draw the structure of the given compound.

Concept introduction:

The structure of the organic compound and its name are closely related to each other. The structure of the compound can be drawn if the name is given and vice-versa. The name of an organic compounds tells about the number of carbons present in the compound which is necessary so as to draw the carbon skeleton in the structure. The suffix of the name of the compound provides information about the functional group present in the compound.

Answer to Problem 55P

The structure of $\text{benzoyl chloride}$ is:

Explanation of Solution

The structure of the compound can be drawn if the name is given and vice-versa. The name of the compound is $\text{benzoyl chloride}$. It indicates that the benzoyl group $\left({\text{C}}_{\text{6}}{\text{H}}_{\text{5}}\text{CO}-\right)$ is present in thecompound which is attached to the chloride group.

Thus, the structure is drawn as,