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Science & NatureCation Tree
By alucero
Category: Science & Nature. Viewed 2033 times. Created November 2014.     Disclaimer.   
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Cation Logic Tree
               
 
 
 Potassium, Zinc (II), Copper (II), Cobalt (II)?
 
 









 
 Potassium
NO
 Does a precipitate form with NaOH?
YES
 Zn (II), Cu (II), Co (II)
 









 
 Lilac flame? Yes!
Zn (II)
NO
 Mixed with NH4OH, does the liquid change color?
YES
 Cu (II), Co (II)









 
 
 Blue/green flame? Yes!
Co (II)
YES
 Does the color change to brown-orange?









NO
 
 
 
 Green/blue flame with many sparks and blue tip? Yes!
Cu (II)









 
 
 
 
 Green flame? Yes!