Estimate the pK, values for the functional group classes represented by the given molecules. CEC-H HO, NH3 50 35 10 25 15 Answer Bank

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Question 28 of 30
<.
O Attempt 5
Estimate the pK, values for the functional group classes represented by the given molecules.
CEC H
NH3
HO
HO,
50
35
10
25
15
Answer Bank
O O 0 11:2
Transcribed Image Text:Question 28 of 30 <. O Attempt 5 Estimate the pK, values for the functional group classes represented by the given molecules. CEC H NH3 HO HO, 50 35 10 25 15 Answer Bank O O 0 11:2
Expert Solution
Step 1

Dissociation of a weak acid is given by:

HA    H+  +  A-The acid dissociation constant of this acid is given by:Ka =  H+ A-HA

For the strong acid, the value of Ka will be greater than the weak acid. The negative logarithm of the Ka is known as pKa. The pKa of an acid is given by:

pKa = -log Ka

Due to the negative logarithm, the pKa value of a strong acid is less than a weak acid.

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