A. A saturated solution of Pbl, contains 4x10 mol of iodine per liter of solution. What is the value of K, for Pbl,? i) 1,6x10 ii) 4x10 iii) 2,6x10* iv) 3,2-x10 Y) 1.0x107

Principles of Modern Chemistry
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Chapter16: Solubility And Precipitation Equilibria
Section: Chapter Questions
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Answer the a.b.c questions please.
A. A saturated solution of PbI , contains 4x10² mol of iodine per liter of solution. What is the
value of K for PbI,?
i) 1,6x10
ii) 4x10
iii) 2,6x10
iv) 3,2-x10
v) 1.0x10
vi) none of these answers
B. Consider the following system :
CoCl (2) Co (g) + Cl2 (g)
When is equilibrium reached in this system?
i) When the concentration of CoCl, (e) is equal to that of Co
ii) When the forward and reverse reaction rates are zero
iii) When the forward reaction rate is equal to the reverse reaction rate
iv) When the equation is balanced
v) When the concentration of Co (e), is twice that of CoCl2e)
(g)
C. A reaction tends strongly towards products, what would be a probable equilibrium constant
for this reaction?
i) 5x10°
ii) 5x10'
iii) 5x10'
iv) 5x102
v) 5x1012
Transcribed Image Text:A. A saturated solution of PbI , contains 4x10² mol of iodine per liter of solution. What is the value of K for PbI,? i) 1,6x10 ii) 4x10 iii) 2,6x10 iv) 3,2-x10 v) 1.0x10 vi) none of these answers B. Consider the following system : CoCl (2) Co (g) + Cl2 (g) When is equilibrium reached in this system? i) When the concentration of CoCl, (e) is equal to that of Co ii) When the forward and reverse reaction rates are zero iii) When the forward reaction rate is equal to the reverse reaction rate iv) When the equation is balanced v) When the concentration of Co (e), is twice that of CoCl2e) (g) C. A reaction tends strongly towards products, what would be a probable equilibrium constant for this reaction? i) 5x10° ii) 5x10' iii) 5x10' iv) 5x102 v) 5x1012
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