5 Questions
What forms when hot centrifugate is cooled?
PbCl₂
What precipitate forms when a hot solution of Pb²⁺ is combined with K₂CrO₄ solution and dil. acetic acid?
Yellow ppt. of PbCrO₄
Why is PbCrO₄ precipitate soluble in dilute mineral acids?
CrO₄⁻² converts to Cr₂O₇⁻² forming soluble lead dichromate
What is observed when a hot solution of Pb²⁺ reacts with KI solution?
Yellow ppt. of PbI₂
Which solution can dissolve PbSO₄ precipitate?
NaOH and ammonium acetate solution
This quiz covers the formation of various compounds and their properties, such as lead chromate precipitation and solubility in acids.
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