AP Chemical Colors

Quiz yourself by guessing what should be in each of the black rectangles below before clicking on it to display the answer.
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Flap 1
Flap 2
dichromate   yellow  
chromate   yellow  
permanganate   purple  
Cu2+   blue  
[Fe(SCN)]   dark red  
Fe2+   pale yellow  
Fe3+   orange  
transition metals are likely to form a colored solution because...   electronic transitions involving d-electrons  
phenolthalein in basic solution   pink  
litmus   Blue in Base, RED in aCID  
flame test: sodium   yellow/orange  
flame test: barium   green  
flame test: potassium   white/violet  
flame test: calcium   red  
flame test: lithium   red  


   

 
 

 
 

 

 

 
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