Question about Jones Reagent

  • Thread starter jmnew51
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  • #1
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I understand that when making Jones reagent you dissolve X amount of K2Cr2O7 in an equal amount of Conc. H2SO4.

How do you get that much K2Cr2O7 to go into that little H2SO4.

From what I know K2Cr2O7 only has a solubility in water of 4.9 gm/100ml.

Is K2Cr2O7 more soluble in H2SO4 than water?

Thanx for looking.

Jim
 

Answers and Replies

  • #2
chemisttree
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In water, the chromate salt is sparingly protonated. In sulfuric acid, is chromic acid produced? If so, what is the solubility of chromic acid in sulfuric acid?
 
  • #3
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I understand what happens now.

Thank You
 

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