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  • Compound A : benzenamine                 compound B : N - methylmethanamine       <img alt="pK_b = 9.38" src="https://entr

Compound A : benzenamine                 compound B : N - methylmethanamine 

     pK_b = 9.38                                          pK_b = 3.27

Which is correct ? 

Option: 1

(K_b)_B > (K_b)_A  , B is more basic 


Option: 2

(K_b)_A > (K_b)_B , B is more basic 


Option: 3

(K_b)_A > (K_b)_B , A  is more basic 


Option: 4

(K_b)_B > (K_b)_A , A is more basic 


Answers (1)

best_answer

Basic strength and Kb and pKb values -

Basic strength is directly proportional to Kb values and inversely proportional to pKb values.

The lesser the pKb , greater the Kb , Higher the basicity 

Correct statement is \mathrm{(K_b)_B > (K_b)_A , \textup{B is more basic }}

Correct option is 1

Posted by

Nehul

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