Seat No.: ________ Enrolment No._____________
GUJARAT TECHNOLOGICAL UNIVERSITY
Diploma – SEMESTER - I • EXAMINATION – WINTER 2012
Subject code: 3310501 Date: 12/01/2013
Subject Name: Physical Analytical & Inorganic Chemistry
Time: 10:30 am – 01:00 pm Total Marks: 70
Instructions:
1. Attempt five questions.
2. Make suitable assumptions wherever necessary.
3. Figures to the right indicate full marks.
4. Each question carry equal marks (14 marks)
Q.1 Answer the following. (Any Seven) 14
1. What is Parachor? Give unit of Parachor.
2. Define- Enthalpy and Entropy.
3. Give molecular weight of HCl & NaOH.
4. Define- Refractive index. Give unit of refractive index.
5. Give the rate equation for second order reaction.
6. Calculate PH of 0.01N HCl solution.
7. What is emulsion? Give the types of emulsion.
8. List the factor affecting to the rate of chemical reaction.
9. How will you prepare 0.01N NaOH solution?
10. Define- Exothermic process & Isothermal process.
Q.2 (a) What is rate of reaction? Give the difference between molacularity and order of reaction. 5
OR
(a) What is half life period? Derive the equation for half life period of first order reaction and prove that half life period of first order reaction is independent of initial concentration. 5
Q.2 (b) Explain Hess’s law of constant heat summation with suitable example. 5
OR
(b) Give seven statement of second law of thermodynamics. 5
Q.2 (c) Give the difference between lyophobic sol and lyophilic sol. 4
OR
(c) Give the applications of colloids. 4
Q.3 (a) What is molar heat capacity? Derive the equation for molar heat capacity at constant volume (Cv) and molar heat capacity at constant pressure (Cp). Prove that Cp – Cv = R. 7
OR
(a) For adiabatic expansion of an ideal gas prove that PVг = constant 7
Q.3 (b) What is Viscosity? Describe Ostwald’s viscometer method use to determine viscosity of liquid. 7
OR
(b) What is Surface tension? Explain drop number stalagmometer method use to determine surface tension of liquid. 7
Q.4 (a) Explain manufacturing and uses of ammonia. 4
OR
(a) Discuss the use of common ion effect in inorganic qualitative analysis. 4
Q.4 (b) Give the difference between physical adsorption and chemical adsorption. 3
OR
(b) Explain electro osmosis with applications. 3
Q.4 (c) Give the classification of chromatography. Explain paper chromatography with neat sketch. 7
Q.5 Answer the following questions.
(a) Give construction and working of Hydrogen electrode. 5
(b) Describe Kohlrausch’s law of independent migration of ions. 5
(c) Give three statements of first law of thermodynamics with its mathematical expression.
GUJARAT TECHNOLOGICAL UNIVERSITY
Diploma – SEMESTER - I • EXAMINATION – WINTER 2012
Subject code: 3310501 Date: 12/01/2013
Subject Name: Physical Analytical & Inorganic Chemistry
Time: 10:30 am – 01:00 pm Total Marks: 70
Instructions:
1. Attempt five questions.
2. Make suitable assumptions wherever necessary.
3. Figures to the right indicate full marks.
4. Each question carry equal marks (14 marks)
Q.1 Answer the following. (Any Seven) 14
1. What is Parachor? Give unit of Parachor.
2. Define- Enthalpy and Entropy.
3. Give molecular weight of HCl & NaOH.
4. Define- Refractive index. Give unit of refractive index.
5. Give the rate equation for second order reaction.
6. Calculate PH of 0.01N HCl solution.
7. What is emulsion? Give the types of emulsion.
8. List the factor affecting to the rate of chemical reaction.
9. How will you prepare 0.01N NaOH solution?
10. Define- Exothermic process & Isothermal process.
Q.2 (a) What is rate of reaction? Give the difference between molacularity and order of reaction. 5
OR
(a) What is half life period? Derive the equation for half life period of first order reaction and prove that half life period of first order reaction is independent of initial concentration. 5
Q.2 (b) Explain Hess’s law of constant heat summation with suitable example. 5
OR
(b) Give seven statement of second law of thermodynamics. 5
Q.2 (c) Give the difference between lyophobic sol and lyophilic sol. 4
OR
(c) Give the applications of colloids. 4
Q.3 (a) What is molar heat capacity? Derive the equation for molar heat capacity at constant volume (Cv) and molar heat capacity at constant pressure (Cp). Prove that Cp – Cv = R. 7
OR
(a) For adiabatic expansion of an ideal gas prove that PVг = constant 7
Q.3 (b) What is Viscosity? Describe Ostwald’s viscometer method use to determine viscosity of liquid. 7
OR
(b) What is Surface tension? Explain drop number stalagmometer method use to determine surface tension of liquid. 7
Q.4 (a) Explain manufacturing and uses of ammonia. 4
OR
(a) Discuss the use of common ion effect in inorganic qualitative analysis. 4
Q.4 (b) Give the difference between physical adsorption and chemical adsorption. 3
OR
(b) Explain electro osmosis with applications. 3
Q.4 (c) Give the classification of chromatography. Explain paper chromatography with neat sketch. 7
Q.5 Answer the following questions.
(a) Give construction and working of Hydrogen electrode. 5
(b) Describe Kohlrausch’s law of independent migration of ions. 5
(c) Give three statements of first law of thermodynamics with its mathematical expression.
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