Answer :

Answer:

Explanation:

Higher the acidic strength  , lower the pKa value.

Among the given acids , CF₃COOH is most acidic because of 3  fluorine atom attached with carbon . fluorine is highly electro-negative electron withdrawing group .

So , acidic strength of given acids will decrease as follows

CF₃COOH > FCH₂COOH > (CH3)₃CCOOH

Hence CF₃COOH will have least pka value ie 0.2

pka value of FCH₂COOH will be 2.7

pka value of (CH3)₃CCOOH will be 5.0

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