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RegNo.: Name:
APJ ABDUL ICALAM TECHNOLOGICAL
Second Semester B.Tech Degree Examination June
Course Code: CYTIOO
Course Name: ENGINEERING CHEMISTRY
(2019 -Scheme)
Max. Marks: 100 Duration:3 Hours
PART A
Answer all questions, each carries 3 mnrks Marks
How will you determine the standard electrode potential of Fe/Fe2* electrode (3)
using calomel electrode?
A Zn rod is dipped in 0.3 M CuSOr solution at 25oC. Displacement reaction (3)
takes place then it attains equilibrium. Find the equilibrium constant for this
reaction. The standard reduction potential of Zn and Cu are 4.76 V and +0.34 V
respectively.
Which of the following molecules can give UV visible spectrum (200nm - (3)
800nm)?
a) CH+ b) Nz c) Butadiene d) Benzene
4 How many vibrational modes are possible for COz molecule? Sketch the (3)
vibrational modes
) List any three application of DTA (3)
6 Distinguish between isocratic elution and gradient elution in HPLC (3)
7 What is tautomerism? Illustrate tautomerism in CH:-CO-CFI: (3)
8 What are conducting polymers? Draw the structure of polyacetylene and (3)
polyaniline
9 Calculate the temporary and permanent hardness of water sample having (3)
following composition, Ca2+:300 ppm Mg2+: 192 ppm, HCOr- = 122 ppm
10 What is COD? How is it determined? (3)
PART B
Answer onefull questionfrom each module, each question carries 14 marks.
MODULE 1
ll a What is electrochemical series? Discuss any five applications.
Page 1 of 3
Downloaded from Ktunotes.in
l+ r-'1 ,
t6
RegNo.: Name:
APJ ABDUL ICALAM TECHNOLOGICAL
Second Semester B.Tech Degree Examination June
Course Code: CYTIOO
Course Name: ENGINEERING CHEMISTRY
(2019 -Scheme)
Max. Marks: 100 Duration:3 Hours
PART A
Answer all questions, each carries 3 mnrks Marks
How will you determine the standard electrode potential of Fe/Fe2* electrode (3)
using calomel electrode?
A Zn rod is dipped in 0.3 M CuSOr solution at 25oC. Displacement reaction (3)
takes place then it attains equilibrium. Find the equilibrium constant for this
reaction. The standard reduction potential of Zn and Cu are 4.76 V and +0.34 V
respectively.
Which of the following molecules can give UV visible spectrum (200nm - (3)
800nm)?
a) CH+ b) Nz c) Butadiene d) Benzene
4 How many vibrational modes are possible for COz molecule? Sketch the (3)
vibrational modes
) List any three application of DTA (3)
6 Distinguish between isocratic elution and gradient elution in HPLC (3)
7 What is tautomerism? Illustrate tautomerism in CH:-CO-CFI: (3)
8 What are conducting polymers? Draw the structure of polyacetylene and (3)
polyaniline
9 Calculate the temporary and permanent hardness of water sample having (3)
following composition, Ca2+:300 ppm Mg2+: 192 ppm, HCOr- = 122 ppm
10 What is COD? How is it determined? (3)
PART B
Answer onefull questionfrom each module, each question carries 14 marks.
MODULE 1
ll a What is electrochemical series? Discuss any five applications.
Page 1 of 3
Downloaded from Ktunotes.in
