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 is the difference between HPLC and GC?

3 Answers  


what is the origin to prepare standard operating procedure

0 Answers  


What is the procedure for the calibration of ph meter?

1 Answers   IBS,


what is defferance between dipolemoment and polarity

1 Answers   Neuland,


what is basc principle of the HPLC,IR,UV AND GC? what is difference between diffusion spectra and transmision spectra in IR?

1 Answers   Torrent Pharma, GICC, Mylan, Sygene, Dr Reddys, Zydus Cadila, Cadila,






what is difference between Performance check and Calibration?

1 Answers  


Why 1800 ml of dissolution media used In Carbamazepine ER USP Tablets But other drug only 900 ml Media Used ?

1 Answers   Torrent Pharma,


How to calculate the maximum loaded sample concentration in HPLC column?

2 Answers  


what is separation techniques.

1 Answers   Glenmark,


in what basis wavelength will select for a compound at initial method development trials

4 Answers   Matrix,


how many types oos and oot

1 Answers  


only one end point is possible for citric acid and we get 2 end points for di acid why?

3 Answers   Reddy Labs,






Categories
  • Organic Chemistry Interview Questions Organic Chemistry (289)
  • Inorganic Chemistry Interview Questions Inorganic Chemistry (113)
  • Analytical Chemistry Interview Questions Analytical Chemistry (1223)
  • Physical Chemistry Interview Questions Physical Chemistry (62)
  • General Chemistry Interview Questions General Chemistry (302)
  • Chemistry AllOther Interview Questions Chemistry AllOther (77)