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Reg No.: Name:
APJ ABDUL KALAM TECHNOLOGICAL UNIVERSITY

B.Tech 51 (Special Improvement) Examinations January 2021 (2019 scheme)

Course Code: CYT100

Course Name: ENGINEERING CHEMISTRY
(2019-Scheme)

Max. Marks: 100 Duration: 3 Hours
PARTA
Answer all questions, each carries 3 marks. Marks
1 Compare electrolytic and electrochemical cells. (3)
2 Write the cell reactions, cell representation and calculate the standard EMF of (3)

the cell formed by silver and aluminium electrodes. 8०, ५६८ 0, ४०, ५.५८
-1.66V
3 What is the requirement for a molecule to be IR active? Write two examples for (3)

IR active and inactive molecules.

4 Predict number of signals for the following and justify your answer. (3)
a) b) ೧
ന്ന്‌ ~ ~
2 TGA will not give information regarding phase changes .Give reason. (3)
6 Mention any three applications of SEM. (3)
7 Assign the R-S configuration for the following molecule and also write its (3)

Fischer projection formula.

Cl
ഫേം A 10000
H
8 What are co-polymers? Give one example each for addition and condensation (3)
co-polymers.

9 What is the chemistry behind the removal of temporary hardness by boiling? (3)

10 What are the factors that affect DO level in water? (3)

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