Download GTU BE/B.Tech 2018 Winter 4th Sem New 2140501 Physical And Inorganic Chemistry Question Paper

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GUJARAT TECHNOLOGICAL UNIVERSITY

BE - SEMESTER-1V (NEW) EXAMINATION - WINTER 2018

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Subject Code: 2140501 Date: 12/12/2018

Subject Name: Physical And Inorganic Chemistry

Time: 02:30 PM TO 05:00 PM Total Marks: 70

Instructions:

1. Attempt all questions.

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2. Make suitable assumptions wherever necessary.
3. Figures to the right indicate full marks.

Q.1

1. Which bond is found in sodium chloride? Explain giving electronic configuration. (03)
2. What do you mean by Hydrogen bond? State its types with suitable examples. (04)

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3. Explain Handerson-Hasselbalch equation for buffer solution. (07)

Q.2

1. Compare the properties of a, ß and ? particles (03)
2. Explain HPLC with suitable diagram. (04)
3. Write a note on electrochemical cell with appropriate diagram. (07)

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OR

1. What is buffer solution? What are its types? With an example, explain how a buffer operates. (07)

Q.3

1. Write about “Zero Order Reaction”. (03)
2. Explain any one type of electrode in detail. (04)

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3. Write a note on covalent bond and co-ordinate covalent bond. (07)

OR

1. Derive derivation of Gibb’s phase rule. (03)
2. What do you understand by Fission and Fusion reaction? (04)
3. Write a note on Molecular Orbital Theory - with one example. (07)

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Q.4

1. State Nernst equation and give its application. (03)
2. Define electrode potential and state the significance of EMF series. (04)
3. What is adsorption spectroscopy? Derive Lambert’s-Beer’s law related equations in detail. (07)

OR

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1. What do you understand by salt bridge? (03)
2. What do you understand by Hess’s law of constant heat summation and its applications? (04)
3. What is nuclear chemistry? Explain Geiger-Muller counter in detail. (07)

Q.5

1. Name the different types of chemical bonds with one example each. (03)

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2. What is radioactive decay? Explain any one method to measure the radioactivity. (04)
3. State the properties of good propellant. Briefly discuss the classification and applications of propellant. (07)

OR

1. Write the important properties of steel. (03)
2. Explain any one reference electrode. (04)

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3. What is chromatography? Give its principle and write a note on gas chromatography (GC) instrument and its working. (07)