Question

if the difference of pka values of two acids is 2 then a)acid with smaller pka is 100times stronger acid b)acid with smaller pka is 10times stronger acid c)acid with greater pka is 10times stronger acid​

Answer 1

Explanation:

Can someone explain??

Answer 2

Answer:

The correct answer is a) acid with smaller pKa is 100 times stronger acid.

Explanation:

• pKa values denote the strength of an acid.
• It is represented as the -log [H], i.e, the negative logarithm of the hydrogen ion concentration.
• The stronger the acid, the more readily it gives hydrogen ions in solution.
• Therefore, in a mixture of acids with varying concentrations, the one that is stronger will dissociate to give hydrogen ions and its pKa value will be lesser compared to the weaker acid which is still not dissociated to give hydrogen ions.

Thus, the stronger the acid, the lesser is its pKa value.