ORGANIC CHEMISTRY-STUD.SOLNS.MAN+SG(LL)
ORGANIC CHEMISTRY-STUD.SOLNS.MAN+SG(LL)
4th Edition
ISBN: 9781119659587
Author: Klein
Publisher: WILEY
Question
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Chapter 25.2, Problem 7CC

(a)

Interpretation Introduction

Interpretation:

The pI value for the given set of amino acids needs to be calculated.

Concept introduction:

Amino acids at a particular pH does not migrate in an electric field.  This pH is known as the isoelectric point.  The isoelectric point is also known as isoionic point.  At this isoelectric point the amino acid is neutral.  This means that the zwitterion form predominates more over the other forms.  pI is the isoelectric point and this can be given by average of the pKa.

pI=pKa1+pKa22

To find: the pI value of aspartic acid

(b)

Interpretation Introduction

Interpretation:

The pI value for the given set of amino acids needs to be calculated.

Concept introduction:

Amino acids at a particular pH does not migrate in an electric field.  This pH is known as the isoelectric point.  The isoelectric point is also known as isoionic point.  At this isoelectric point the amino acid is neutral.  This means that the zwitterion form predominates more over the other forms.  pI is the isoelectric point and this can be given by average of the pKa.

pI=pKa1+pKa22

To find : the pI value of leucine

(c)

Interpretation Introduction

Interpretation:

The pI value for the given set of amino acids needs to be calculated.

Concept introduction:

Amino acids at a particular pH does not migrate in an electric field.  This pH is known as the isoelectric point.  The isoelectric point is also known as isoionic point.  At this isoelectric point the amino acid is neutral.  This means that the zwitterion form predominates more over the other forms.  pI is the isoelectric point and this can be given by average of the pKa.

pI=pKa1+pKa22

To find : the pI value of lysine

(d)

Interpretation Introduction

Interpretation:

The pI value for the given set of amino acids needs to be calculated.

Concept introduction:

Amino acids at a particular pH does not migrate in an electric field.  This pH is known as the isoelectric point.  The isoelectric point is also known as isoionic point.  At this isoelectric point the amino acid is neutral.  This means that the zwitterion form predominates more over the other forms.  pI is the isoelectric point and this can be given by average of the pKa.

pI=pKa1+pKa22

To find: the pI value of proline

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Condensation polymers are produced when monomers containing two different functional groups link together with the loss of a small molecule such as H2O.       The difunctional monomer H2N(CH2)6COOH forms a condensation polymer. Draw the carbon-skeleton structure of the dimer that forms from this monomer.
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ORGANIC CHEMISTRY-STUD.SOLNS.MAN+SG(LL)

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