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Colour and Solubility

What is the K...

Question

What is the K_sp expression for lead (II) chloride?

A

[Pb₂²⁺][Cl^-]²

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B

[Pb²⁺]²[Cl^-]

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C

[Pb⁺][Cl^-]²/[PbCl₂]

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D

[Pb²⁺][Cl^-]²

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Solution

The correct option is D
[Pb²⁺][Cl^-]²

PbCl₂⇌ Pb²⁺+ 2Cl^-or, K_sp = [Pb²⁺][Cl^-]²

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