Write a short note on Magnetic Properties of the substances.
[3 marks]Outline the followings: Specific rotation, Optical activity, Diasteromer and Enantiomer.
[4 marks]Show that Depression in freezing point is colligative property. 45 g of ethylene glycol (C H O ) is mixed with 600 g of water (Given:262 Kof water = 1.86 Kkg mol-1). Calculate f
[7 marks]the freezing point depression and (ii) the freezing point of the solution
[ marks]Explain the fission of a covalent bond.
[3 marks]Summarize the importance of Resonance effect with suitable examples.
[4 marks]What are reactive intermediates? Outline the structure, properties, stability and significance of Carbocations, Carboanion and Carbenes.
[7 marks]Discuss the organic reactions mechanisms of Acylation, Nitration, Sulphonation and Alkylation of toluene.
[7 marks]Define wave function and write its significance.
[3 marks]Explain the conformational isomerism in n-butane.
[4 marks]Explain the hybridization, describe the bonding in molecules using hybridization concept (make use of suitable examples).
[7 marks]Interpret Heisenberg Uncertainty Principle
[3 marks]Discuss the two methods of resolution of racemic mixtures.
[4 marks]Outline the phase diagram of the Ferric chloride-water system and explain its salient features.
[7 marks]Define: Glass Transition Temperature, Liquid Crystal and viscoelasticity.
[3 marks]The heat of combustion of methane is -890.65kJ mol-1 and heat of formation of CO and H Oare -395.5kJ mol-1 and 286.0kJ.mol-122 respectively. Calculate the heat of formation of methane. (R=8.314J/K/ mol).
[4 marks]What is the half-life period of a reaction? Derive the equation for first order reaction.1
[7 marks]Explain the followings by taking suitable examples.
[3 marks]Heat of transition and ii) Heat of neutralization.
[ marks]Afirst order reaction is 10% completed in 20 minutes. How long will it take to be 70% complete?
[4 marks]Explain mathematical expression for the rate constant of the second order reaction.
[7 marks]Write a short note on the Nano Composites.
[3 marks]Write down the properties and uses of insulators.
[4 marks]Explain the principle, instrumentation and applications of SEM.
[7 marks]Write down the properties and uses of Silicates.
[3 marks]Explain the principles of Florescence spectroscopy
[4 marks]Explain the principle, instrumentation and applications of PSA.
[7 marks]