5. For the equilibrium systems depicted in EQUATIONS 17-7 and 17-9, which has the larger equilibrium constant?

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wWu W
is present in a solution.
You will attempt to convert the aqua complex ions listed above to chloro complex ions, using concentrated
HCl as a source of Cl. For Co", the reaction is
1.1701o
(17-7)
Co(H2O) + 4 C CoCl-+ 6 H20
A general equation for various miethl ions would be
INITAO ot ưoivdo
M(H2O),* + y Cr MCI,y + x H2O
(17-8)
In working with the three metal ions chosen for this experiment, you must decide whether or not there e
visible evidence of formation of a complex ion within a short time period. You will then list the ions on the basis of
how extensive the reaction of EQUATION 17-8 is for a particular amount of Cr, that is, on the basis of the size of
the equilibrium constant for the reaction of EQUATION 17-8.
After comparing chloro complex ions of the three different metal ions, you will compare two different complex
ions of one metal ion. You will investigate the reactions in EQUATIONS 17-7 and 17-9 to determine which reaction
is more extensive for a particular amount of a complexing agent, CF or NCS"; that is, which reaction has a larger
equilibrium constant.
to g A0 arlosd
Ine sales lo a Co(H2O)* + 4 NCS- Co(NCS) + 6 H20
Jin t
sloe doo 30ol
(17-9)
irulon dion nd
1. Pour 5,0 mL of 0.5 M Co(NO:)2 into each of two 20-mL test tubes. Pour 5.0 mL of 0.5 M Cr(NO:), into cach of
oto to anoi
Transcribed Image Text:wWu W is present in a solution. You will attempt to convert the aqua complex ions listed above to chloro complex ions, using concentrated HCl as a source of Cl. For Co", the reaction is 1.1701o (17-7) Co(H2O) + 4 C CoCl-+ 6 H20 A general equation for various miethl ions would be INITAO ot ưoivdo M(H2O),* + y Cr MCI,y + x H2O (17-8) In working with the three metal ions chosen for this experiment, you must decide whether or not there e visible evidence of formation of a complex ion within a short time period. You will then list the ions on the basis of how extensive the reaction of EQUATION 17-8 is for a particular amount of Cr, that is, on the basis of the size of the equilibrium constant for the reaction of EQUATION 17-8. After comparing chloro complex ions of the three different metal ions, you will compare two different complex ions of one metal ion. You will investigate the reactions in EQUATIONS 17-7 and 17-9 to determine which reaction is more extensive for a particular amount of a complexing agent, CF or NCS"; that is, which reaction has a larger equilibrium constant. to g A0 arlosd Ine sales lo a Co(H2O)* + 4 NCS- Co(NCS) + 6 H20 Jin t sloe doo 30ol (17-9) irulon dion nd 1. Pour 5,0 mL of 0.5 M Co(NO:)2 into each of two 20-mL test tubes. Pour 5.0 mL of 0.5 M Cr(NO:), into cach of oto to anoi
5. For the equilibrium systems depicted in EQUATIONS 17-7 and 17-9, which has the larger equilibrium constant?
Transcribed Image Text:5. For the equilibrium systems depicted in EQUATIONS 17-7 and 17-9, which has the larger equilibrium constant?
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