20. The reaction [Co(H,O)"(aq) + 4Cr(aq) = pink (COCLJ*(aq) + 6H,0(1) blue is exothermic in the forward direction. Which of the following changes to an equilibriun mixture will produce a predominantly pink solution? I Cooling the solution 2 The uddition of concentrated HCI 3 The addition of aqueous silver nitrate A D

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The reaction
[Co(H;O),}* (aq) + 4CT(aq) :
pink
[COCL.J*(aq) + 6H;O(1)
blue
is exothermic in the forward direction. Which of the following changes to an equilibriun mixture will
produce a predomninantly pink solution?
I Cooling the solution
2 The addition of concentrated HCI
3 The addition of aqueous silver nitrate
A
D
Transcribed Image Text:The reaction [Co(H;O),}* (aq) + 4CT(aq) : pink [COCL.J*(aq) + 6H;O(1) blue is exothermic in the forward direction. Which of the following changes to an equilibriun mixture will produce a predomninantly pink solution? I Cooling the solution 2 The addition of concentrated HCI 3 The addition of aqueous silver nitrate A D
Directions summarised
A
B
1,2,3
1,2
2,3
Only
All
Only
Only
correct
correct
correct
correct
Transcribed Image Text:Directions summarised A B 1,2,3 1,2 2,3 Only All Only Only correct correct correct correct
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