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balu736 [363]
1 year ago
12

The disinfectant phenol, C₆H₅OH, has a pKa of 10.0 inwater, but 14.4 in methanol.(a) Why are the values different?

Chemistry
1 answer:
dolphi86 [110]1 year ago
8 0
  • Different intermolecular attractions accessible to solvent molecules cause various solvent effects, in part.
  • Certain solvents form hydrogen bonds. A fairly typical example is water, as well as alcohols like methanol. Others don't donate hydrogen bonds; they can only accept them.
  • Some solvents may more effectively stabilize the anions that result from the deprotonation of Bronsted acids. As a result, when measured in various solvents, pKa values may vary.
<h3>What is pKa value?</h3>
  • In layman's terms, pKa is a measurement of an acid's strength. A strong acid will have a pKa value that is lower than 0.
  • To be more specific, pKa is the Ka value's negative log base ten value (acid dissociation constant).
  • How tightly a proton is retained by a Bronsted acid is how the strength of an acid is measured.

Learn more about pKa value here:

brainly.com/question/11168324

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