For which of the following salt pH of its aqueous solution is independent of concentration of salt.
For which of the following salt pH of its aqueous solution is independent of concentration of salt.
A. `Na_(2)HPO_(3)`
B. `NaH_(2)PO_(2)`
C. `CH_(3)COONH_(4)`
D. `CH_(3)COONa`
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Correct Answer - C
`2AB_(2)iff2AB +B_(2)`
`"1 0 0"`
`"1-x x "x//2`
Total moles at equilibrium = `1 + (x)/(2)`
`k_(p)=(((x)/(1+x//2)xxP)^(2)((x//2)/(1+x//2)xxP))/(((1-x)/(1+x//2)xxP)^(2)), k_(p)=(x^(3)P)/(2) " , "x^(3)=(2k_(p))/(P)implies x=((2k_(p))/(P))^(1//3)`
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