Question

7. A chloride soluble in hot water while insoluble in cold water is :
PbCl2
CuCl2
FeCl2
MgCl2
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Answer 1

Answer:

A chloride soluble in hot water while insoluble in cold water is :

MgCl2

Answer 2

Answer:

Lead chloride, silver chloride and mercuric chloride are highly insoluble in water. The key difference between lead chloride and silver chloride is that the lead chloride is sparingly soluble in cold water but soluble in hot water, whereas the silver chloride is insoluble even in hot water by this we can conclude that MgC12