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23 Nov 2019

Chromium III hydroxide is highly insoluble in distilled water but dissolves readily in either acidic or basic solution. Briefly explain why the compound can dissolve in acidic or in basic but not in neutral solution. Write appropriate equation to support your answer.

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Bunny Greenfelder
Bunny GreenfelderLv2
12 Nov 2019

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Related questions

Some metal oxides, such as Sc2O3, do not react with pure water, but they do react when the solution becomes either acidic or basic. Do you expect Sc2O3 to react when the solution becomes acidic or when it becomes basic? Write a balanced chemical equation to support your answer.

Explain the following observations in terms of shifting equilibriaby le Chatelier's principle. Write the equation for the equilibriuminvolved in each case.

a)BaCrO4 is insoluble in basic solution, but dissolves readily inacidic solution.

b)The addition of NaOH to the Fe3+ + SCN-=====FeSCN2+ equilibriumcauses color change and a precipitate to appear.

c)The solubility of PbCl2 in .10M HCl is much lower than in purewater.

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Explain the following observations in terms of shifting equilibriaby le Chatelier's principle. Write the equation for the equilibriuminvolved in each case.

a)BaCrO4 is insoluble in basic solution, but dissolves readily inacidic solution.

b)The addition of NaOH to the Fe3+ + SCN-=====FeSCN2+ equilibriumcauses color change and a precipitate to appear.

c)The solubility of PbCl2 in .10M HCl is much lower than in purewater.

d)CaC03 is an insoluble salt, but will dissolve in acid.


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