Home
Class 11
CHEMISTRY
The pKa values for the three acidic grou...


The pKa values for the three acidic group P,Q,R are 4.3, 9.7 and 2.2 respectively, Calculate the isoelectric point of the amino acid?

Text Solution

Verified by Experts

The correct Answer is:
3.25
Promotional Banner

Topper's Solved these Questions

  • GENERAL ORGANIC CHEMISTRY

    BANSAL|Exercise Exercise 2|39 Videos

  • ATOMIC STRUCTURE

    BANSAL|Exercise Exercise.3|35 Videos

  • HYDROCARBONS

    BANSAL|Exercise Exercise 3|12 Videos

Similar Questions

Explore conceptually related problems

The pK_(a1) and pK_(a2) of an amino acid are 2.3 and 9.7 respectively. The isoelectric point of the amino acid is:

The pK_(a) values of ionisable groups in lysine are 2.18, 8.95 and 10.79 respectively. Find isoelectric point of lysine.

Proteins and amino acid ||Calculation OF isoelectric point

An amino acid reacts with 10ml 0.05MNaOH and the final solution has pH=2.30 When 20ml of these base is added in the resulting solution.The pH become 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) with NH_(3) and further hydrolysis with HCN compound (X) is less C atom containing compound that gives postitive iodoform test and positive Fehling's solution test. Amino acid is:

An amino acid reacts with 10ml 0.05MNaOH and the final solution has pH=2.30 When 20ml of these base is added in the resulting solution.The pH become 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) with NH_(3) and further hydrolysis with HCN compound (X) is less C atom containing compound that gives postitive iodoform test and positive Fehling's solution test. Compound (X) is:

An amino acid reacts with 10ml 0.05MNaOH and the final solution has pH=2.30 When 20ml of these base is added in the resulting solution.The pH become 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) with NH_(3) and further hydrolysis with HCN compound (X) is less C atom containing compound that gives postitive iodoform test and positive Fehling's solution test. Isoelectric point of the amino acid is:

The correct acidic strength order of acidic hydrogen P,Q and R is respectively :

Knowledge Check

  • The pK_(a1) and pK_(a2) of an amino acid are 2.3 and 9.7 respectively. The isoelectric point of the amino acid is:

    A
    6
    B
    3.7
    C
    12
    D
    7.4

  • The correct acidic strength order of acidic hydrogen P,Q and R is respectively :

    A
    `PgtQgtR`
    B
    `PgtRgtQ`
    C
    `RgtQgtP`
    D
    `QgtRgtP`