Chemistry Equilibrium ETEA 2022
PMDC Verified Question 57 of 102
If solubility product (\( K_{sp} \)) value is large the salt in water is:
A
More soluble
B
Less soluble
C
Moderately soluble
D
No concentration
Tap any option to test your recall and reveal the step-by-step Propolis autopsy.

Propolis Cognitive Error Autopsy

Official Correct Choice:
Option A: More soluble
Concept:

The \( K_{sp} \) value mathematically represents the extent to which a solid salt dissociates into its aqueous ions.

Formula:

$$ K_{sp} = [\text{Products}] $$

Solution:

  • Because \( K_{sp} \) is the product of the ion concentrations, a larger \( K_{sp} \) directly correlates with higher concentrations of ions in solution at equilibrium.


  • More ions in solution mean that more of the solid salt was able to dissolve.


  • Therefore, a large \( K_{sp} \) indicates high (more) solubility.


Why other options are incorrect:

A small \( K_{sp} \) (e.g., \( 10^{-20} \)) indicates less solubility. A large \( K_{sp} \) is the opposite.

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