Concept explainers
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(a)
Interpretation:
The given compound is a carbonyl compound or acyl compound has to be classified.
Concept Introduction:
Carbonyl groups are the one which contain a double bond between carbon and oxygen atom.
If a hydroxyl group is attached to a carbonyl group means it is known as carboxyl group. This can be represented as shown below,
Carbon bonded to an oxygen atom through double bond is known as carbonyl group. The carbonyl group bonded to a R group means it is known as acyl group. If the acyl group is bonded to oxygen, nitrogen or halogen atom then the compound is known as acyl compound. If the acyl group is bonded to a carbon or hydrogen atom, then the compound is known as carbonyl compound.
(b)
Interpretation:
The given compound is a carbonyl compound or acyl compound has to be classified.
Concept Introduction:
Carbonyl groups are the one which contain a double bond between carbon and oxygen atom. Aldehydes and ketones possess this carbonyl functional group in it. The structural representation of a carbonyl group can be given as shown below,
If a hydroxyl group is attached to a carbonyl group means it is known as carboxyl group. This can be represented as shown below,
Carboxylic acid derivatives are the ones that are synthesized from or converted to a carboxylic acid. The generalized structural representation of carboxylic acid derivatives is shown below,
Carbon bonded to an oxygen atom through double bond is known as carbonyl group. The carbonyl group bonded to a R group means it is known as acyl group. If the acyl group is bonded to oxygen, nitrogen or halogen atom then the compound is known as acyl compound. If the acyl group is bonded to a carbon or hydrogen atom, then the compound is known as carbonyl compound.
(c)
Interpretation:
The given compound is a carbonyl compound or acyl compound has to be classified.
Concept Introduction:
Carbonyl groups are the one which contain a double bond between carbon and oxygen atom. Aldehydes and ketones possess this carbonyl functional group in it. The structural representation of a carbonyl group can be given as shown below,
If a hydroxyl group is attached to a carbonyl group means it is known as carboxyl group. This can be represented as shown below,
Carboxylic acid derivatives are the ones that are synthesized from or converted to a carboxylic acid. The generalized structural representation of carboxylic acid derivatives is shown below,
Carbon bonded to an oxygen atom through double bond is known as carbonyl group. The carbonyl group bonded to a R group means it is known as acyl group. If the acyl group is bonded to oxygen, nitrogen or halogen atom then the compound is known as acyl compound. If the acyl group is bonded to a carbon or hydrogen atom, then the compound is known as carbonyl compound.
(d)
Interpretation:
The given compound is a carbonyl compound or acyl compound has to be classified.
Concept Introduction:
Carbonyl groups are the one which contain a double bond between carbon and oxygen atom. Aldehydes and ketones possess this carbonyl functional group in it. The structural representation of a carbonyl group can be given as shown below,
If a hydroxyl group is attached to a carbonyl group means it is known as carboxyl group. This can be represented as shown below,
Carboxylic acid derivatives are the ones that are synthesized from or converted to a carboxylic acid. The generalized structural representation of carboxylic acid derivatives is shown below,
Carbon bonded to an oxygen atom through double bond is known as carbonyl group. The carbonyl group bonded to a R group means it is known as acyl group. If the acyl group is bonded to oxygen, nitrogen or halogen atom then the compound is known as acyl compound. If the acyl group is bonded to a carbon or hydrogen atom, then the compound is known as carbonyl compound.
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Chapter 16 Solutions
EBK GENERAL, ORGANIC, AND BIOLOGICAL CH
- Name the following compound and indicate whether or not is a reducing sugar:arrow_forwardDraw the structure of the tripeptide alanylglycylvaline and determine its name using three-letter abbreviations.arrow_forwardFor A, B, C, D, E, F, identify the circled functional groups and linkages in the compound in the picture.arrow_forward
- Convert the following Fischer structures into cyclic Haworth structures:arrow_forwardFollowing are Fischer projections for a group of five-carbon sugars, all of which are aldopentoses. Identify the pairs that are enantiomers and the pairs that are epimers. (The sugars shown here are not all of the possible five-carbon )arrow_forwardWhat is the “octet rule” and its biologically important exception?arrow_forward
- For the first part, draw a Fischer projection formula for the enantiomer of each of the following monosaccharides. For the second part, identify whether the images are in D- or L-configuration. Write your answers first on a piece of bond paper.arrow_forwardDraw the four stereoisomers of threonine as Fischer projections.arrow_forwardDraw a Fischer projection formula for the enantiomer of each of the following monosaccharides. (a to d)arrow_forward
- (b) Account for the observation that the trans-1,2-dibenzoylethylene appears yellow in color, whereas cis-1,2-dibenzoylethylene appears white.arrow_forwardFollowing are Fischer projection for a group of five carbon sugars,all of which are aldopentoses. Identify the pairs that are enantiomers and the pairs that are epimers.(The sugar shown herebare not all of the possible five carbon sugars.)arrow_forwardThe ionization of p-nitrophenol is shown below (pKa = 7.0): a. Identify the weak acid and conjugate base. b. At pH 7, what are the relative concentrations of ionized and un-ionized p-nitrophenol? c. If enough concentrated hydrochloric acid is added to a solution of p-nitrophenol to lower the pH from 7 to 5, what will happen to the relative concentrations of the ionized and un-ionized forms? d. Ionized p-nitrophenol has a yellow color, while the un-ionized form is colorless. The yellow color can be measured using a spectrophotometer at 400nm. In order to determine the total amount of p-nitrophenol in a solution, would you perform the spectrophotometer reading at an acidic or basic pH? Clearly explain why? e. A solution of p-nitrophenol at pH 7.95 was found to have an A400 of 0.255 . What is the total concentration (in µM) of p-nitrophenol (ionized plus un-ionized) in the solution? The molar extinction coefficient of p-nitrophenol is 18,500 M-1cm-1 and the pKa is 7.arrow_forward
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