SATHEE: Equilibrium Question 296

Equilibrium Question 296

Question: The solubility product of a binary weak electrolyte is $4 \times 10^{- 10}$ at $298, K$ . Its solubility in mol $d m^{- 3}$ at the same temperature is [KCET 2001]

Options:

A) $4 \times 10^{- 5}$

B) $2 \times 10^{- 5}$

C) $8 \times 10^{- 10}$

D) $16 \times 10^{- 20}$

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Answer:

Correct Answer: B

Solution:

AB ⇌ $A^{+} + B^{-}$ ; $K_{s p} = S^{2}$

$S = \sqrt{K_{s p}} = \sqrt{4 \times 10^{- 10}} = 2 \times 10^{- 5}$

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Equilibrium Question 296

Question: The solubility product of a binary weak electrolyte is 4×10−10 at 298,K . Its solubility in mol dm−3 at the same temperature is [KCET 2001]

Options:

Answer:

Solution:

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Question: The solubility product of a binary weak electrolyte is $4 \times 10^{- 10}$ at $298, K$ . Its solubility in mol $d m^{- 3}$ at the same temperature is [KCET 2001]