The correct order of acidity for the following is

1.	The correct order of acidity for the following is
Answer» `HCN gt ClCH_(2)CO OH gt HCO OH gt CH_(3)CO OH` `HCN gt HCO ON gt ClCH_(2)CO ON gt CH_(3)CO OH` `ClCH_(2)CO OH gt HCO OH gt CH_(3) CH_(3) CO OH gt HCN` `ClCH_(2)CO OH gt HCN gt HCO OH gt CH_(3)CO OH` ANSWER :C

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