Physical Chemistry Important Questions For BSc 2nd Year 3rd Semester

 

Physical Chemistry Important Questions
Section-A
"Thermodynamics-1"

Q-1) State and explain mathematically expression for first law of thermodynamics.
[MDU-2014,2016,2018 IGU-2018,2019]

Q-2) What is Thomson-effect ?[MDU-2015,2016,2017,2018] justify that during this process , enthalpy of system remain constant.[MDU-2018,2019 CBLU-2019]

Q-3) State and explain joule's law. [MDU-2014 IGU-2019]

Q-4) Define Joule Thomson coefficient ? [MDU-2015 IGU-2019]

Q-5) Explain
   {1} system and surrounding [CBLU-2019]
   {2} Homogeneous and heterogeneous processes [CBLU-2019]
   {3} Reversible and IrReversible processes [MDU-2014,2016 CBLU-2019]
   {4} state and path function [MDU-2014,2017,2018,2019 CBLU-2019 IGU-2018]
   {5} extensive and intensive properties [MDU-2014,2016,2018,2019 CBLU-2019 IGU-2018]
   {6} Adiabatic expansion [MDU-2016,2019]
   {7} Joule-Thomson Effect [MDU-2014,2016 IGU-2019]
   {8} Joule's Law [MDU-2015,2018 CBLU-2019]
   {9} Isothermal and isochoric process [MDU-2018 IGU-2018]
  
Q-6) Explain the term heat capacity? And Drive expression for heat capacity at constant  volume {Cv} and constant pressure {Cp} ? And Realtion b/w Cv and Cp
[MDU-2017,2018,2019]

Section-B
"Thermodynamics-2"

Q-1)Derive that for reversible Adiabatic expansion of an  ideal gas Pv^gama = Constant
[MDU-2014,2015,2019 IGU-2019]

Q-2) Derive thermodynamics kirchoff's equation? giving the variation of heat of reaction with temperature [MDU-2014,2015,2016,2018,2019 CBLU-2019 IGU-2019]

Q-3) Derive an expression for calculation of W , q , ∆U and ∆H
in Isothermal reversible expansion of an ideal gas. [MDU-2017 CBLU-2019]

Q-4) Calculation of W , q , ∆U and ∆H in Adiabatic reversible expanyof an ideal gas?
OR
Derive the relationship b/w temperature and volume? [MDU-2017,2018 CBLU-2019 IGU-2018]

Q-5) Comparison of Isothermal and Abiabatic Expansion of an ideal gas? With the help of P-V Graphi. [IGU-2019]

Q-6) Derive an expression for the workdone(W) during Isothermal reversible expansion of an ideal gas. [MDU-2016,2018]

Q-7) Derive TV^Gama-1 = Constant [IGU-2018]

Section-C
"Chemical Equilibrium"
Q-1) {a} Law of Mass Action.[MDU-2016,2017,2019 CBLU-2019 IGU-2018]
         {b} Define and Explain Chemical Potential [MDU-2016,2018 IGU-2019]
         {c} Partial Molar Quantities [MDU-2014,2015]

Q-2) Le-Charatelier's Principle {factors affecting} {important application} [MDU-2014,2015,2017,2018,2019 CBLU-2019 IGU-2019]

Q-3) Thermodynamics derivation of law of chemical Equilibrium? [MDU-2016,2018 IGU-2018,2019]

Q-4) Relationship b/w Equillbrium constant and free energy change? [MDU-2019 CBLU-2019 IGU-2018]

Q-5) Can't Hoff Equation or Reaction isochore [MDU-2014,2015,2019 CBLU-2019 IGU-2018]

Q-6) Can't Hoff Reaction isotherm [MDU-2016 CBLU-2019]

Q-7) Clausius-Clapyron Equation? [MDU-2014,2016,2017 IGU-2018,2019]
&
Application of Clausius-Clapyron Equation. [MDU-2016]

Section-D
"Distribution Law"

Q-1) How is the distribution Law modified, when distributing species undergoes chemical combination in either phase? [MDU-2019 IGU-2018]

Q-2) Define and Explain distribution Law. Derive modified law when solute undergoes combination with one of the solvents? [IGU-2019]

Q-3) Discuss the application of distribution Law to establish the formation of complex.
          I2 +KI ~ KI3
[IGU-2019,2018 CBLU-2019]

Q-4) Derive a suitable expression to prove that multistep extraction is more economical than single step extraction. [MDU-2014,2015,2017,2018 CBLU-2019]

Q-5) What is effect of temperature on distribution Law? [IGU-2018]

Q-6) What is Nernst distribution Law? How this law gets modified when solute undergoes association in one of the solvents? {Conditions?}
[MDU-2014,2015,2016,2017,2018]