Download GTU BE/B.Tech 2019 Winter 3rd Sem New 3130506 Applied Chemistry Question Paper

Download GTU (Gujarat Technological University) BE/BTech (Bachelor of Engineering / Bachelor of Technology) 2019 Winter 3rd Sem New 3130506 Applied Chemistry Previous Question Paper

1
Seat No.: ________ Enrolment No.___________
GUJARAT TECHNOLOGICAL UNIVERSITY

BE - SEMESTER ? III (New) EXAMINATION ? WINTER 2019
Subject Code: 3130506 Date: 28/11/2019

Subject Name: Applied Chemistry
Time: 02:30 PM TO 05:00 PM Total Marks: 70
Instructions:

1. Attempt all questions.

2. Make suitable assumptions wherever necessary.

3. Figures to the right indicate full marks.

Marks

Q.1 (a) Explain condensed system. 03
(b) Derive Gibbs phase rule thermodynamically. 04
(c) State the Hess law and illustrate with suitable examples. 07








Q.2 (a) Describe: Liquid crystal 03
(b) Explain principle of Mass spectrometry 04
(c) Discuss the Phase diagram of Zn-Cd system. 07
OR
(c) Explain concept hybridisation with simple organic molecules 07
Q.3 (a) Difference between the terms configuration and conformation. 03
(b) Derive Schr?dinger wave equation. 04
(c) Discuss stereochemistry of tartaric acid. 07
OR
Q.3 (a) Discuss the terms carbanion and free radical 03
(b) Explain mechanism of nucleophilic substitution 04
(c) Explain recemisation of optical isomers with suitable examples. 07
Q.4 (a) Define: Degree of freedom and component 03
(b) A first order reaction is 10% completed in 20 minutes. How long
will it take to be 70% complete?
04
(c) Explain pseudo order first reaction. Derive the equation for first
order reaction.
07

OR
Q.4 (a) Explain Heisenberg Uncertainty Principle 03
(b) Discuss the properties of insulators 04
(c) Discuss Parachor and Explain role of parachor in determining the
chemical constitution of a compound
07
Q.5 (a) Predict the NMR spectrum of CH3 .CH2.OH 03
(b) The heat of combustion of methane is -890.65kJ mol-1 and heat of
formation of CO2 and H2O are -395.5kJ mol-1 and 286.0kJ.mol-1
respectively. Calculate the heat of formation of methane.
(R=8.314J/degree.mol)
04
(c) Name any four important surface characterization techniques and
explain any one technique in detail.
07
OR

Q.5 (a) Define terms : (i) Order of reaction
(ii) thermo chemistry
03
(b) Explain Florescence spectroscopy 04
(c) Discuss the properties and application of zeolites 07

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