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प्रश्न
Why pKa of F-CH2-COOH is lower than that of Cl−CH2−COOH?
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उत्तर
Fluorine is more electronegative than chlorine. The presence of fluorine in a molecule will make it more acidic. Thus, the pKa of F−CH2−COOH is lower than that of Cl−CH2−COOH.
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\[\begin{array}{cc}
\ce{O}\phantom{...............................................}\\
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