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HARDMCQ SINGLENEET ChemistryPhysical ChemistryIonic equilibriumAchiever Section

For  a  “c  molar”  concentrated  solution  of  a  weak electrolyte AxBy, the degree of dissociation is given as (a) (b) (c) (d)

Answer
C
Explanation

Let  us  consider  the  given  electrolytic  reaction  as follows: y+ x- x y A B xA +  yB initial                   c                  0            0 at eqm.       c ( y )    cx         cy c x x y eq K [cx ] [ cy ] /  [c c(x y )] x y 1 x y x y [c] x y [ ] /  [ 1 (x y)] x is very small as compared to 1. x y 1 x y x y eq x y 1 x y 1/x y eq Therefore, [ 1 (x y)] 1 K [c] x y [ ] /1 [K /[c] x y ]

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