Consider the acidity of the carboxylic acids (i) $PhCOOH$ (ii) $o - NO_{2}C_{6}H_{4}COOH$(iii)$p - NO_{2}C_{6}H_{4}COOH$ (iv)$m - NO_{2}C_{6}H_{4}COOH$ Which of the following order is correct?

Question

Dr. Abubacker · Accepted Answer

(d)
$- NO_{2}$ group at any position shows electron withdrawing effect, thus acid strength is increased. But o-nitro benzoic acid believed to have $ortho\$effect. As a result, resonance gets prevented. Hence, its acid strength is maximum, thus , the order of acid strength (II)

Q. Consider the acidity of the carboxylic acids (i) $PhCOOH$ (ii) $o - NO_{2}C_{6}H_{4}COOH$(iii)$p - NO_{2}C_{6}H_{4}COOH$ (iv)$m - NO_{2}C_{6}H_{4}COOH$ Which of the following order is correct?

Explanation

Reviewed by Dr. Abubacker

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