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Question: Answered & Verified by Expert
Consider the following salts: $\mathrm{NaCl}, \mathrm{HgCl}_{2}, \mathrm{Hg}_{2} \mathrm{Cl}_{2}, \mathrm{CuCl}_{2}, \mathrm{CuCl}$ and $\mathrm{AgCl}$. Identify the correct set of insoluble salts in water.
ChemistryPractical ChemistryWBJEEWBJEE 2015
Options:
  • A $\mathrm{Hg}_{2} \mathrm{Cl}_{2}, \mathrm{CuCl}, \mathrm{AgCl}$
  • B $\mathrm{Hg} \mathrm{Cl}_{2}, \mathrm{CuCl}, \mathrm{AgCl}$
  • C $\mathrm{Hg}_{2} \mathrm{Cl}_{2}, \mathrm{CuCl}_{2}, \mathrm{AgCl}$
  • D $\mathrm{Hg}_{2} \mathrm{Cl}_{2}, \mathrm{CuCl}, \mathrm{NaCl}$
Solution:
2135 Upvotes Verified Answer
The correct answer is: $\mathrm{Hg}_{2} \mathrm{Cl}_{2}, \mathrm{CuCl}, \mathrm{AgCl}$
Salts such as $\mathrm{NaCl}, \mathrm{HgCl}_{2}, \mathrm{CuCl}_{2}$ are soluble in water while salts such as $\mathrm{Hg}_{2} \mathrm{Cl}_{2}, \mathrm{CuCl}$ and $\mathrm{AgCl}$ are insoluble in water.

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