The order of reactivity of the following comp | vedclass

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(D) The chemical reaction in which alcohols and acids react with each other to form esters is called esterification.In this reaction,the alcohol acts

Vedclass · Accepted Answer

$I > IV > III > II$

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(D) The chemical reaction in which alcohols and acids react with each other to form esters is called esterification.In this reaction,the alcohol acts as a nucleophile and attacks the carbonyl carbon of the carboxylic acid.The reactivity of alcohols towards esterification is primarily governed by steric hindrance.As the bulkiness of the alkyl group attached to the carbon bearing the $-OH$ group increases,the steric hindrance increases,making it more difficult for the alcohol to attack the acid,thus decreasing the reactivity.The given compounds are:$(I) CH_3CH_2OH$ (Ethanol)$(II) (CH_3)_2CHCH_2OH$ ($2-$methylpropan$-1-$ol)$(III) (CH_3)_2CHCH(CH_3)CH_2OH$ ($2,3-$dimethylbutan$-1-$ol)$(IV) CH_3CH_2CH_2OH$ (Propan$-1-$ol)Comparing the steric hindrance,the order of reactivity is $(I) > (IV) > (II) > (III)$.Therefore,the correct option is $D$.

The order of reactivity of the following compounds towards the esterification with acetic acid is:

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