Physical Analytical and Inorganic Chemistry Government Polytechnic 2010 Question Paper

Exam Board: Government Polytechnic
Question Paper Course: Diploma Hospital Management
Subject of Question Paper: Physical Analytical and Inorganic Chemistry
Time allotted: 3 Hours
Max. Marks: 80
Year of the exam paper: 2010
Question Paper Format: Text

Q.1 (a) Distinguish between
(i) Intensive properties and Extensive properties
(ii) Lyophilic sols and lyophobic sols
(iii) Molecularity and order of reaction 07
(b) Define Internal energy. State first law of thermodynamics and explain it. Give its mathematical equation 07

Q.2 (a) Derive equation for first order reaction. Prove that half concentration period is independent of initial concentration 07
(b) Define closed system. Derive the equation for isothermal reversible expansion for maximum work done of an ideal gas. 07
OR
(b) Define molar heat capacity at constant volume (Cv) and constant pressure(Cp) and derive relationship between Cp-Cv = R 07

Q.3 (a) Write characteristics of catalyst. Explain homogeneous catalysis and heterogeneous catalysis with examples of each 07
(b) Define viscosity. Name methods to determine viscosity. Describe Ostwald's viscometer in detail. 07
OR
Q.3 (a) Name the different methods of preparing colloidal solution. Explain any two methods in detail. 07
(b) State Hess's law of constant heat summation. Calculate heat of formation of ethylene(C2H4) from the following data
i) C(s) +O2(g) CO2(g) H = -94.0 Kcal
ii) H2(g) +1/2O2(g) H2O(l) ?H = -68.4 Kcal
iii) C2H4(g) +3O2(g) 2CO2(g)+ 2 H2O(l) ?H = --337.0 Kcal 07

Q.4 (a) What is chromatography? Give classification of chromatography. 07
(b) Define adsorption. Give the types of adsorption and distinguish between them. 07
OR
Q. 4 (a) Give the types of electrode. Describe construction and working of calomel electrode or glass electrode. 07
(b) Define terms cell constant and molecular conductance. Explain Kohlrausch law of migration. 07

Q.5 (a) Name different types of W/V concentration methods. Calculate no. of grams of Na2CO3 to prepare 3000ml 0.1 M Na2CO solution. (At wt –Na =23, C = 12, O=16) 07
(b) Explain common ion effect. Give the use of H2S in qualitative inorganic analysis 07
OR
Q.5 (a) Define pH and pOH.Give methods to determine pH of given solution. Find the pH and pOH of 0.05M H2SO4 solution. 07
(b) Give types of chemicals and its characteristics 07 

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