11. The strongest acid among the following is
(a) p-Cl-C.H.COOH (6) p-OHC HCOOH
(c) CH.COOH (d) p-NO,C H.COOH.
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a)the and the hi was vert jjhakajajw
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Explanation:Fluorine is a highly electronegative element, it withdraws electron from the neighbouring atoms. Therefore, more is the number of fluorine atoms attached, greater will be the acidity of the molecules. e.g.FCH2COOH is more acidic than CH3COOH. Therefore, correct order of acidity is :
CF3COOH > CF2 HCOOH > FCH2 COOH > CH3COOH
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