Question

Why do you need hot water to dissolve the lead chloride?

Answer 1

hey mate ur ans. is
hot water likely weakens the lead ion-anion bonds so as pbcl2 is much more soluble in hot water than in cold water hence hot water is used

Answer 2

Answer: White solids make up lead chloride. It is an inorganic substance that serves as the most common lead-based reagent in a variety of processes. It also goes by the name Plumbous chloride. Lead poisoning could result from lead exposure.

Explanation:

The requirement of hot water to dissolve the lead chloride is elaborated here:

• In cold water, lead chloride (PbCl₂) is not soluble. In cold water, just a small portion may dissolve (be sparingly soluble). However, lead chloride dissolves in hot water to produce a colourless solution. At 20°C, lead chloride's solubility product (Ksp) was discovered to be
  1.7 × 10⁻⁵.
• Except for lead, silver, and mercury (I), all metals' chlorides, bromides, and iodides are soluble in water. In boiling water, PbCl₂, PbBr₂, and PbI₂ are soluble.
• As a result, we discovered that PbCl₂ is soluble in hot water but not in cold water.
• In cold water, lead chloride is insoluble, however it has been shown that adding HCl enhances the solubility because it creates soluble complex anions like PbCl₃.
• The polymeric framework of solid (PbCl₂) is made up of chloride bridges that are broken by the addition of the chloride ion (Cl) (aq)
  PbCl₂+Cl⁻(aq)⇄ PbCl₃⁻ (aq)

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