HARDMCQ SINGLEJEE Mains ChemistryInorganic ChemistryGOCAchiever Section
Which of the following represents the correct order of the acidity in the given compounds ?
A.CH₃COOH >BrCH₂COOH >ClCH₂COOH
B.FCH₂COOH > CH₃COOH > BrCH₂COOH
C.BrCH₂COOH >ClCH₂COOH > FCH₂COOH
D.FCH₂COOH >ClCH₂COOH >BrCH₂COOH✓ Correct
Explanation
The order of acidity of compounds depends on the electron withdrawing substituent. Among halogens, the order of electronegativity is as follows- 3 F>Cl>Br>CH Thus, the –I effect decreases and hence the acidity decreases. Thus, the correct option is (d) 2 2 2 3 FCH COOH>ClCH COOH>BrCH COOH>CH COOH
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