What is adsorption in homogeneous catalysis? Derive an expression for Langmuir monolayer adsorption isotherms for adsorption at sufficiently low concentrations.

Discuss the stopped flow method for the study of fast-reactions with suitable schematic diagram and outline its advantages over continuous flow method.

What is the difference between diffusion controlled and activation-controlled reactions.

Derive the expression of the rate constant for reactions in solution in terms of activity where the reference standard state for the reactants is the gaseous state.

What is the effect of pressure and temperature on thermal conductivity?

Give the mathematical expressions of any two type of Maxwell and Boltzmann distribution of molecular speeds and name the terms involved.

Why did we need the modification in the Debye-Huckel theory?

What is the role of solvent in the Debye-Huckel model of a solution of an electrolyte?

Describethe lock and key hypothesis of the enzyme action.

Explain the difference between homogeneous and heterogeneous catalysis with suitable examples.

Give the principle of ultrasonic relaxation methods for the determination of the rates of the fast reactions.

What are two important features of the expression for rate of activation as per RRK theory?

Discuss the Lindemann-Christiansen mechanism for unimolecular reactions and give the Hinshelwood's modification of this mechanism.

Give the salient features ofthe collision theory and calculate the factor that relates the collision theory with Arrhenius Equation.

Identify all the symmetry elements in trans C₂H₂Cl₂or B₂Cl₆

Give the difference between screw Axis and glide Plane by using suitable illustrations.

Show the following planes in cubic unit cells

i) (110) in Primitive cubic cell

ii) (111) in Face-centred cubic cell and

iii) (200) in Body-centred cubic cell.

State the law of constancy of interfacial angles .

If atoms of element B form HCP lattice and 2/3rd of tetrahedral voids are occupied by those of the element A, what is the formula of the compound formed by the elements A and B?

Define Tetrahedral and Octahedral voids in three dimensional close packing.