please
Q. The pKa of HNO2 is 3.37. The pH of HNO2 in its 0.01 mol L-l aqueous solution will be :-
(1) 5.37               (2) 2.69
(3) 1.69              (4) 0.69
 

pH= pKa+ log [  anion/salt]
  • -14
Option(2) is correct

  • 2
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