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 APJ ABDUL KALAM TECHNOLOGICAL UNIVERSITY

CHEMISTRY 1ST YEAR B TECH KTU IMPORTANT QUESTIONS FOR KTU STUDENTS [FIRST YEAR] | QUESTION BANK,chemistry important questions,chemistry ktu btech questions,chemistry previous questions,chemistry questions,ktu chemistry questions,ktu s1,ktu s2,ktu s1 s2 chemistry,
1ST YEAR B TECH KTU IMPORTANT PREVIOUS QUESTIONS

17. a) What is meant by standard electrode potential? How would you measure the single electrode potential of an electrode using a saturated calomel electrode?

b) Find the single electrode potential for copper metal in contact with 0.1 M Cu2+ solution at 298 K. E0Cu2+/Cu = 0.34 V.

c) How is glass electrode constructed? What is its use?

18.a) Predict NMR spectrum of CH3-CHCl – CH3.

b) Write the theory of vibrational spectroscopy.

C) Sketch the various modes of vibrations possible for CO2. Which are IR active ? Write reason for your answer.  

19.a) How can you distinguish NMR spectrum of CH3CH2Cl and CH3CHCl2 applying the concept of spin-spin splitting?

b) Which of the following molecules show UV-visible absorption ? 
Give reason (i) ethane (ii) butadiene (iii) benzene (iv) phenol

C) What is a Spectrometer? Write the principal components of UV-visible spectrometer.

20. a) Write electrode reaction and expression for the electrode potential of following electrodes:

i) Metal-metal ion electrode
ii) Gas electrode
iii) Metal-metal insoluble salt electrode
iv) Redox electrode.

b) How will you explain the working of H2 — O2 fuel cell? Draw a neat labelled
diagram of the cell. .                                                                                                                                                                
21. a) What is thermal analysis? List two techniques of it. Compare their principles.

b) Write the basic components of a gas chromatographic instrument. Draw the  diagram of a gas chromatograph.

22. a) Write the procedure for doing column chromatography.

b) What is HPLC? Draw a labelled diagram of HPLC Instrument. Write its two  important applications.

23. a) What are conducting polymers ? Write the structure of two conducting polymers.

b) Write a note on structure and applications of fullerene.

C) Write a note on biological nano materials.

24. a) What are carbon nanotubes? How are they classified ? State their two applications.

b) Write the structure and two applications of  Kevlar.

25. a) What is the main purpose of secondary sewage water treatment? Explain  trickling filter process.

b) What is desalination ? How is it performed by reverse process? 

28. a) How is UASB process useful in waste water treatment?

b) What are the factors which governs the amount of dissolved oxygen in water?

26. a) What are lubricants? How are they classified on the basis of their physical state ? What are their important functions?

b) Write any four desirable properties of a lubricant and indicate the significance  of the properties.

27. a) Differentiate between vegetable oil and mineral oil lubricants.

b) Write the working of a Bomb calorimeter for determining the calorific value  of a solid fuel with the help of a neat diagram.  

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