MyQuestionIcon

1

You visited us 1 times! Enjoying our articles? Unlock Full Access!

Electrical Properties of Colloids

Isoelectric p...

Question

Isoelectric point is the pH at which:

A

an amino acid becomes acidic

No worries! We‘ve got your back. Try BYJU‘S free classes today!

B

an amino acid becomes basic

No worries! We‘ve got your back. Try BYJU‘S free classes today!

C

zwitter ion has positive charge

No worries! We‘ve got your back. Try BYJU‘S free classes today!

D

zwitter ion has zero charge

Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses

Open in App

Solution

The correct option is D
zwitter ion has zero charge

It is a fact.

Suggest Corrections

thumbs-up

1

Similar questions

Q. In an amino acid, the carboxylic group ionises at

p K_{a 1} = 2.34

and ammonium ion at

p K_{a 2} = 9.60

. The isoelectric point of the amino acid is at pH

Q. An amino acid reacts with 10 ml 0.05 M

N a O H

and the final solution has

p H = 2.30

. When 20 ml of the same base is added to the resulting solution, the

p H

becomes 9.7. Identify the amino acid and calculate the isoelectric point of the amino acid. This amino acid is prepared by the reaction of compound

(X)

{N H}_{3}

, and further hydrolysis with

H C N

(X)

C

atom-containing compound that gives positive iodoform test and positive Fehling's solution test. An amino acid is:

^{+} N H_{3} - C H (R) - C O_{2} H

K a_{1} = 10^{- 7}

. The isoelectric point of the

α

-amino acid occur at pH = 8.2 Hence

p K a_{2}

of the conjugate acid of

α

-amino acid is equal to:

Q. Assume that a particular amino acid has an isoelectric point of

6.0

. In a solution at

p H

1.0

, which of the following species will predominate?

Q. Assume the perticular amino acid has an isoelectric point of

6.0.

In solution around pH

1.0

, which of the following species will predominate?

View More

Join BYJU'S Learning Program

similar_icon

Related Videos

lock

Properties of Colloids

CHEMISTRY

Watch in App

explore_more_icon

Explore more

Electrical Properties of Colloids

Standard XII Chemistry

Join BYJU'S Learning Program

CrossIcon