Question: At neutral pH amino acids exist as dipolar ions. Using glycine as an example, and given that the pKa of the carboxyl group is 2.3

At neutral pH amino acids exist as dipolar ions. Using glycine as an example, and given that the pKa of the carboxyl group is 2.3 and that of the ammonium group is 9.6, predict the predominant form of the molecule at pH 1, 7, and 12. Justify your answers using Equation (16.4).

Step by Step Solution

★★★★★

3.46 Rating (175 Votes )

There are 3 Steps involved in it

1 Expert Approved Answer
Step: 1 Unlock

pH pK a log conjugate baseacid At pH 1 Therefore the ... View full answer

blur-text-image
Question Has Been Solved by an Expert!

Get step-by-step solutions from verified subject matter experts

Step: 2 Unlock
Step: 3 Unlock

Document Format (1 attachment)

Word file Icon

932-C-O-C (3142).docx

120 KBs Word File

Students Have Also Explored These Related Organic Chemistry Questions!

Q:

Amino acids, from which proteins are formed, exist as ?dipolar ions.? The structure of the dipolar ion of the amino acid alanine is (a) Calculate the formal charges on all of the atoms, except...

Q:

Consider the zwitterion of the amino acid alanine, which is the predominant form of the acid at neutral pH. Draw its structural formula. Imagine that the pH of a solution of alanine is gradually...

Q:

Amino acids such as alanine actually exist as species called zwitterions, with a positive charge on the nitrogen and a negative charge on the oxygen. Explain what effect you expect this to have on...

Q:

please write the source of error and conclusion for the lab report and please it should be inherent errore that is out of human control Source of error: (2 marks) Describe ONE inherent source of...

Q:

pleas the goals and techniques in details CHEM 2710L Experiment 3: Ionic Properties of Amino Acids Name: Partner Name: Date Lab Performed: 2023-01-31. Introduction What was/were the overall goal(s)...

Q:

Review Questions 1. Explain how a polymer and its monomers are similar 7. Your friend is going to try to follow a "no-fat" diet. to a freight train and its cars. 2. Identify each of the following...

Q:

PROBLEM SET 1 AMIVO ACIDS AND PF.PTIDE.S 1. Suggest a reason why amino acids are usually more soluble at pH extremes than they are at neutral pH. (Note: This does not mean that they are insoluble at...

Q:

1. Which amino acid has a basic R group at neutral pH? a. Glutamic Acid b. Histidine c. Isoleucine d. Serine e. Tyrosine 2. Which amino acid has a benzene-like ring? u. Glutamic Acid b. Histidine c....

Q:

Please Help! Please show full steps. Include ICE table if applicable. Thank you! The common amino acids are polyprotic acids. All amino acids contain an amino group and a carboxyl group. Some amino...

Q:

Various amino acids have utility as food additives and in medical applications. They are often synthesized by fermentation using a specific microorganism to convert a substrate (e.g., a sugar) into...

Q:

On December 31, the adjusted trial balance of Cisneros Employment Agency shows the following selected data. Accounts Receivable ........$24,500 Interest Expense ........... 8,300 Service Revenue...

Q:

Assume F&S offers a deal whereby enrolling in a new membership for $1,100 provides a year of unlimited access to facilities and also entitles the member to receive a voucher redeemable for 30%...

Q:

What is a spousal RRSP ? Under what circumstances will a withdrawal by an annuitant be included in the income of their spouse or common - law partner?

Q:

Use the test 3 to determine whether the following binomial distributions can be approximated by using the normal distribution. a. n 8 and p 0.50 b. n 18 and p 0.80 c. n 12 and p 0.30 d. n 30 and p...

Q:

What mass of NaHCO3 is needed to produce 2.659 mol of CO2? 2NaHCO3(s) ( Na2CO3(s) + H2O() + CO2(g)

Q:

How many moles of Al can be produced from 10.87 g of Ag? Al(NO3) 3(s) + 3Ag ( Al + 3AgNO3

Q:

How many moles of HCl can be produced from 0.226 g of SOCl2? SOCl2() + H2O() ( SO2(g) + 2HCl(g)

Q:

Hello I need to find this using excel please AAA Corp. is comparing two different capital structures. Plan I would result in 12,700 shares of stock and $100,050 in debt. Plan II would result in 9800...

Q:

Consider the Finapres data from Recall that the blood pressure of babies was measured using two different methods. The question being asked is about the mean difference between the two measures taken...

Q:

People use several methods to keep track of appointments, meetings, and deadlines. Some of these are using a desk calendar, using informal notes of scrap paper, keeping them in your head, using a day...