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Reg. No. Name:

APJ ABDUL KALAM TECHNOLOGICAL UNIVERSITY
FIRST SEMESTER B.TECH DEGREE EXAMINATION, JANUARY 2017

Course Code: CY 100
Course Name: ENGINEERING CHEMISTRY

Max.Marks : 100 Duration: 3 Hours

PART-A
Answer all Questions. Each question carries 2 marks.

1. Which of the following molecules can give IR absorption? Give reason.
2) 02 b)HCI 0%. 0( (02
2. | What do you mean by single electrode potential?
3. | The Specific conductance of a decinormal solution of KCI at 18°C is 0.01120hm'cm"™. The
resistance of the cell containing the solution at 18°C was found to be 55 ൨. What is cell constant?
What is Poly aniline? Give its Structure.
What is Octane number?
Define Viscosity index.
Calculate the hardness of 0.05M ഫെ solution.

൦ ND ~ ॐ

What do you understand by hard water and soft water? Give the causes of hardness.

PART-B
Answer all Questions. Each question carries 3marks.

9. സനം fundamental vibrational frequency of CO is 2140ला 1. Calculate force constant of the bonds
if reduced mass of CO is 1.14 x 1026 Kg.

10. What is electrochemical series? Give its two applications.

11. What are the methods employed for visualization of spots in TLC

12. Write the structural formula of the following polymers
i) Kevlar 11) Polybutadiene iii) ABS

13. What is Biodiesel? How it is prepared? Give its two advantages.

14. Explain the following 1) Aniline point ii) Flash point

15. Explain breakpoint of chlorination.

16. Differentiate between aerobic and anaerobic oxidation.

PART-C

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