ahhhh quick HELP!!! (1 Viewer)

[shady145]

need help with this dp
choose equipment and perform a first hand investigation to gather information and qualitatively analyse an equilibrium constant.
anyone do CoCl2 for this?
the one where u heat it cool it, heat it again and then cool it again. what colour changes did u observe<--------------------- thats what i really need
thanks and goodluck tomorrow everyone

 

[blabla91]

yep cobalt complex ions

Co(H2O)6 +2 + 4Cl - --> CoCl4 -2 + 6H20


(sorry dont know how to do indices)
it turns pink on the left hand side and blue on the right hand side you can add chloride ions in the form of HCl and that will shift it to the right, add more water to shift it to the left, its an exothermic reaction so heat and it will shift to the left, cool and it will shift to the right... dont think u need to know much more

 

[shady145]

yep cobalt complex ions

Co(H2O)6 +2 + 4Cl - --> CoCl4 -2 + 6H20


(sorry dont know how to do indices)
it turns pink on the left hand side and blue on the right hand side you can add chloride ions in the form of HCl and that will shift it to the right, add more water to shift it to the left, its an exothermic reaction so heat and it will shift to the left, cool and it will shift to the right... dont think u need to know much more

Thankyou so much, i love you <3