Friday, February 3, 2012

CRQs AND ERQs


Chemical Equilibrium
SLO’s
Types
Questions
Marks
















CRQ’s

Q. Define the following
 i) Chemical equilibrium   ii) Reversible reaction
iii) Irreversible reaction 



Q Write the equilibrium  expression of the following
            i)   N2 + 3H2↔2NH3
            ii)  H2 + I2 ↔ 2 HI


Q. Derive the Equilibrium expression of the following
            mA  + nB ↔ x C + y D
            where the molar concentrations of A ,B ,C and D  are respectively          [A],[B],  [C]    and [D]           



Q. Derive the Equilibrium expression of the following
            mA  + nB ↔ x C + y D
            where the Partial pressures   of A ,B ,C and D  are respectively          PA, P, PC             and PD



Q. Derive the Equilibrium expression of the following
            mA  + nB ↔ x C + y D
            where the number  of moles  A ,B ,C and D  are respectively    m , n , x  and y



Q . Discuss the effect of temperature on chemical        
      equilibrium state of the following 
            A↔B      ∆H=negative



Q . Discuss the effect of temperature on chemical        
      equilibrium state of the following 
            A↔B      ∆H= Positive



Q . Discuss the effect of pressure  on chemical        
      equilibrium state of the following 
            A2 + 3B2 ↔2AB3     


Q. Predict the condition of equilibrium sate  for the following reaction
       N2 + 3H2↔2NH3
 When the equilibrium mixture contain
 0.25 M of N2 , 0.25 M of  H2 and  0.12M NH3.
The equilibrium constant is                                           




ERQ’s
 
Discuss the Le-Chatlerier principle on different example


State and explain the Le-Chaterier  Principle


State Le- Chatlerier Principle .Apply the principle on
the  following reaction
i) 2SO2   +  O2  ↔ 2SO3                                     ∆H=Negative




CRQ’s

Define the following
i)  Solubility product  ii) Common ion  effect


State and explain the solubility product  of AgCl


Write two main difference between solubility and solubility product



ERQ’s
Discuss the application of common ion effect











No comments:

Post a Comment