A) \[H{{g}_{2}}C{{l}_{2}},\text{ }CuCl,\text{ }AgCl\]
B) \[~HgC{{l}_{2}}\text{, }CuCl,\text{ }AgCl\]
C) \[~H{{g}_{2}}C{{l}_{2}}\text{, }CuC{{l}_{2}},\text{ }AgCl\]
D) \[~H{{g}_{2}}C{{l}_{2}},\text{ }CuCl,\text{ }NaCl\]
Correct Answer: A
Solution :
Salts such as \[\text{NaCl,}\,\text{HgC}{{\text{l}}_{\text{2}}}\text{,}\,\text{CuC}{{\text{l}}_{\text{2}}}\]are soluble in water while salts such as \[\text{H}{{\text{g}}_{\text{2}}}\text{C}{{\text{l}}_{\text{2}}}\text{,}\,\text{CuCl}\]and \[\text{AgCl}\]are insoluble in water.
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