The decreasing rate of esterification of primary, secondary and tertiary alcohols is

  • Option 1)

    1^{\circ}>2^{\circ}>3^{\circ}

  • Option 2)

    3^{\circ}>2^{\circ}>1^{\circ}

  • Option 3)

    1^{\circ}>3^{\circ}>72^{\circ}

  • Option 4)

    2^{\circ}>3^{\circ}>1^{\circ}

 

Answers (1)

As we learnt in

Fischer - Speier Esterification -

Reaction of alcohols with carboxylic acid.

- wherein

ROH+R'COOH+H_{2}SO_{4}/HCl\rightarrow R'COOR+H_{2}O

 

 Alcohols react with carboxylic acid to form esters. Rate of esterification

1° alcohol > 2° alcohol > 3° alcohol

 


Option 1)

1^{\circ}>2^{\circ}>3^{\circ}

This option is correct

Option 2)

3^{\circ}>2^{\circ}>1^{\circ}

This option is incorrect

Option 3)

1^{\circ}>3^{\circ}>72^{\circ}

This option is incorrect

Option 4)

2^{\circ}>3^{\circ}>1^{\circ}

This option is incorrect

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