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pH of saturated solution of silver salt of monobasic acid HA is found to be 9.
Find the Ksp of sparingly soluble salt Ag A(s).
Given : Ka(HA) = 10-10
  • a)
    1.1 × 10-11
  • b)
     1.1 × 10-10 
  • c)
    10-12
  • d)
    None of these
Correct answer is option 'A'. Can you explain this answer?
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pH of saturated solution of silver salt of monobasic acid HA is found ...



Ksp  = S (S–X) = 11 × 10–6 × 10–6
= 1.1 × 10–11
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pH of saturated solution of silver salt of monobasic acid HA is found ...
PH of a solution is a measure of its acidity or alkalinity. It is defined as the negative logarithm (base 10) of the concentration of hydrogen ions (H+) in the solution.

Given that the pH of the saturated solution of the silver salt AgA is 9, we can determine the concentration of H+ ions in the solution.

To find the concentration of H+ ions, we can use the formula:
pH = -log[H+]

9 = -log[H+]

Taking the antilog of both sides of the equation, we get:
[H+] = 10^(-9)

Now, we can relate the concentration of H+ ions to the dissociation of the monobasic acid HA. The dissociation of the acid can be represented by the following equation:

HA ⇌ H+ + A-

The dissociation constant (Ka) for the acid HA is given as 10^(-10).

Using the expression for Ka, we can write:
[H+][A-]/[HA] = 10^(-10)

Since the solution is saturated with the silver salt AgA, the concentration of A- ions is equal to the concentration of AgA. Therefore, we can substitute [A-] with [AgA] in the equation:
[H+][AgA]/[HA] = 10^(-10)

Since AgA is sparingly soluble, we can assume that its concentration is very small compared to the concentration of HA. Therefore, we can neglect the concentration of [AgA] in the denominator of the equation.

[H+]/[HA] ≈ 10^(-10)

Given that the pH of the solution is 9, we can substitute the concentration of H+ ions ([H+]) with 10^(-9) in the equation:
10^(-9)/[HA] ≈ 10^(-10)

Simplifying the equation, we get:
[HA] ≈ 10^(-9)

Therefore, the concentration of the monobasic acid HA is approximately 10^(-9) M.

Lastly, we can calculate the solubility product (Ksp) of the sparingly soluble salt AgA using the formula:
Ksp = [Ag+][A-]

Since the concentration of A- ions is equal to the concentration of AgA, we can substitute [A-] with [AgA] in the equation:
Ksp = [Ag+][AgA]

Given that the concentration of AgA is approximately 10^(-9) M, we can substitute this value in the equation:
Ksp = [Ag+](10^(-9))

Since the concentration of Ag+ ions is not given, we cannot determine the exact value of Ksp. However, we can conclude that the Ksp value will be on the order of 10^(-9).

Therefore, the correct answer is option A) 1.1 x 10^(-11).
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pH of saturated solution of silver salt of monobasic acid HA is found ...
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pH of saturated solution of silver salt of monobasic acid HA is found to be 9.Find the Kspof sparingly soluble salt Ag A(s).Given : Ka(HA) = 10-10a)1.1 × 10-11b)1.1 × 10-10c)10-12d)None of theseCorrect answer is option 'A'. Can you explain this answer? for Class 11 2025 is part of Class 11 preparation. The Question and answers have been prepared according to the Class 11 exam syllabus. Information about pH of saturated solution of silver salt of monobasic acid HA is found to be 9.Find the Kspof sparingly soluble salt Ag A(s).Given : Ka(HA) = 10-10a)1.1 × 10-11b)1.1 × 10-10c)10-12d)None of theseCorrect answer is option 'A'. Can you explain this answer? covers all topics & solutions for Class 11 2025 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for pH of saturated solution of silver salt of monobasic acid HA is found to be 9.Find the Kspof sparingly soluble salt Ag A(s).Given : Ka(HA) = 10-10a)1.1 × 10-11b)1.1 × 10-10c)10-12d)None of theseCorrect answer is option 'A'. Can you explain this answer?.
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