34. Which of the following shows the correct order ofdecreasing acidity (1) PHCO,H> PhSO,H > PhCH,OH > PHOH(2) PhSO,H> PhOH > PhCO,H> PhCH,OH(3) PhCO H> PhOH > PhCH,OH > PhSO,H(4) PhSO,H> PhCO,H> PHOH> PhCH,OH
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Formula sahi likha Karo
pH - sO3H
pH - COOH
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