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LOYOLA COLLEGE (AUTONOMOUS), CHENNAI 600 034
M.Sc.DEGREE EXAMINATION CHEMISTRY
THIRDSEMESTER APRIL 2018
CA 3900- COMPUTERS IN CHEMISTRY
Date: 05-05-2018 Dept. No. Max. 100 Marks
Time: 09:00-12:00
PART-A
Answer ALL Questions 10*2=20
What are keywords? Give any 4 keywords.
List the data types used in C language.
What is Debroglie wavelength?
State Huckel Mo theory.
Convert the following into C expression
X1 X 2 0.18(E1-(E2
Write a structure for Born-Lande equation.
Write a control statement to determine the method using Woodward Hoffman rule for
electrolytic reactions.
Write a for loop to calculate empherical formula.
What is the use of Biuret method?
10) Write any four applications of computers in chemistry.
PART-B
11.a)Explain the different operators used in .Give examples.

Illustrate SWITCH CASE with an example.
12.a)Write a C program using arrays to find the heat of reactions.

Write a C program to calculate interplanar spacing of a crystal using Bragg's Law.
13.a) Write a C program to determination of Lattice energy of sodium chloride using
BORN-LANDE equation.

Write a C program to calculate the half and average life.
14.a) Write a C program to determine the wave length maximum.

Write a C program to estimate the percentage of in organic compound
using structures.
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15.a) Write a C program to calculate the hydrogen ion concentration using arrays.

Write a C program to determine calcium using titrimetric method.
PART-C
Answer any TWO Questions 2*20=40
16. Explain the categories of functions with example
17.a) Write a C program to find the secular equation for ethylene using arrays.
Write a C program to find the solubility of sparingly soluble salt.
18.a) Write a C program to calculate the molecular weight using arrays.
Write a C program to
i. estimate the Glucose level using orthotoludine method.
ii. estimate percentage of protein.