what is pKa ?




Answers were Sorted based on User's Feedback



what is pKa ?..

Answer / yojana

pKa means negetive log of dissociation constant

Is This Answer Correct ?    33 Yes 0 No

what is pKa ?..

Answer / dr.srinivas

pka = -log (H+ + oH- /H2o)

Is This Answer Correct ?    15 Yes 6 No

what is pKa ?..

Answer / pratap rasam

At pKa half of the compound is in acid form and remaining
half in the base form. Also, it is nothing but the pH at
half neutralization. Smaller the value of pKa stronger the
acid and vise-versa. It is the inverse of dissociation
constant K.

Is This Answer Correct ?    12 Yes 3 No




what is pKa ?..

Answer / prasad

Half equivalence point.

Is This Answer Correct ?    6 Yes 2 No

what is pKa ?..

Answer / vijayalakshmi

Ability to know strength of the solution(acidic/basic)

Is This Answer Correct ?    4 Yes 4 No

what is pKa ?..

Answer / kalyan(neuland)

pka=inderectly proposanal of the acidity constant

Is This Answer Correct ?    4 Yes 4 No

what is pKa ?..

Answer / nishabd

Definition of pKa :
(pK for short). The negative logarithm of the acid dissociation constant, Ka.

Just like the pH, the pKa tells you of the acid or basic properties of a substance.
pKa <2 means strong acid
pKa >2 but <7 means weak acid
pKa >7 but <10 means weak base
pKa >10 means strong base

Is This Answer Correct ?    5 Yes 5 No

what is pKa ?..

Answer / madhav

POTENCY OF HYDROGEN IONS

Is This Answer Correct ?    3 Yes 4 No

what is pKa ?..

Answer / nitin

acid is half neutralized

Is This Answer Correct ?    1 Yes 2 No

what is pKa ?..

Answer / pavan

it can be determine the by using the handorsons equ

or
by using automatic titrator method

Is This Answer Correct ?    4 Yes 6 No

Post New Answer



More Analytical Chemistry Interview Questions

What about karl fischer reaction mechanism ?

2 Answers   Mylan, Aurobindo,


How can we Qualify a unknown impurity by HPLC

3 Answers  


How to know HPLC column performance?

4 Answers   Meghmani Organics,


how can I make the copper get white bye any salt or acit?

0 Answers  


why ur using toulene in hexane in u.v calibration?

3 Answers   Cipla, Biological.e.limited,






Why use in sodium salicylate in uv lamps calibration

1 Answers   Reddy Labs, Auctus Pharma,


in uv visible spectroscopy calibration why we are using potasium dichromate and tolune

3 Answers   Reddy Labs,


Why acetonitrile and water are used as extraction solvent when analysis melamine? I thought they are miscible and won't be able to separate...

0 Answers  


In capadity factor formula is K'= (RT of main compound/RT of first eluted peak)-1 in this formula what is 1

1 Answers   Piramal Healthcare,


why wetlab is called as wetlab

6 Answers  


How do we quantify crystaline and amarpous forms by using (NMR, XRD)spectroscopic techniques? Which any others instruments are useful for this quantification? explain

0 Answers   Vimta Labs, Graviti Pharmaceuticals,


In Force degradation Study Compound is not degrade in any condition , also in higher stress what can i do ?

4 Answers   Alembic,






Categories
  • Organic Chemistry Interview Questions Organic Chemistry (297)
  • Inorganic Chemistry Interview Questions Inorganic Chemistry (123)
  • Analytical Chemistry Interview Questions Analytical Chemistry (1250)
  • Physical Chemistry Interview Questions Physical Chemistry (62)
  • General Chemistry Interview Questions General Chemistry (477)
  • Chemistry AllOther Interview Questions Chemistry AllOther (77)