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  • Stuck here, help me understand: The increasing order of the pKa values of the following compounds is :

The increasing order of the pKa values of the following compounds is :

  • Option 1)

    C < B < A < D

  • Option 2)

    B < C < D < A

  • Option 3)

    D < A < C < B

  • Option 4)

    B < C < A < D

Answers (1)

best_answer

 

Order of acidity of alcohols -

H_{2}O>1^{\circ }>2^{\circ }>3^{\circ }>RC\equiv CH>>>RCH_{3}

-

 

 

 

Phenols / Carbolic acid -

-OH   group is linked directly to aromatic ring system.

- wherein

Simplest\:is\:(C_{6}H_{5}OH)

As we have learnt in order of acidic strength

Acidic strength \propto \frac{1}{pK_{a}}

>    >  

 


Option 1)

C < B < A < D

Option 2)

B < C < D < A

Option 3)

D < A < C < B

Option 4)

B < C < A < D
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