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JEE Main Chemistry question

ChemistryEquilibriumJEE Main

A student wants to prepare a saturated solution of Ag⁺ ion. He has got three samples AgCl(Ksp=10⁻¹⁰), AgBr(Ksp=10⁻¹³) and Ag₂CrO₄(Ksp=10⁻¹²). Which of the above compound will be used by him using minimum weight to prepare the saturated solution?

Answer: (B)

Solution

Minimum mass to reach saturation corresponds to the salt with the smallest molar

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Question ID VK-136481