pH of a saturated solution of silver salt of monobasic acid HA is found to be 9. Now Find the Ksp of sparingly soluble salt Ag A(s). Given Ka(HA)=10-10.
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a
1.1×10-9
b
1.1×10-10
c
1.1×10-11
d
10-12
answer is C.
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Detailed Solution
Ag(1)⇌Ag+(aq)+A-(aq) x x - yAg(1) + H2O(l) ⇌HA (aq) + OH- (aq) x-y y yNow, Ksp=x(x-y)x-y=10-6x=10-5+10-6Ksp=1.1×10-5×10-6Ksp=1.1×10-11
pH of a saturated solution of silver salt of monobasic acid HA is found to be 9. Now Find the Ksp of sparingly soluble salt Ag A(s). Given Ka(HA)=10-10.