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Solution


Q.

The correct order of pKₐ values for the following compounds is:  [2023]
1 a > b > c > d  
2 b > a > d > c  
3 b > d > a > c  
4 c > a > d > b  

Ans.

(3)

pKa∝1Ka ; Ka increases by electron withdrawing group.

Ka=c>a>d>b,  pKa=b>d>a>c