B.Tech-COMPUTER SCIENCE AND ENGINEERING 1st Sem APPLIED CHEMISTRY(Guru Gobind Singh Indraprastha Vishwavidyalaya, Delhi-2009)

Note : Attempt any 5 questions in all.

Q1

• Define carbonate and non-carbonate hardness of water. List the various disadvantages of hard water for domestic use. 3
• Discuss the ION EXCHANGE PROCESS for water softening. 8
• What do you understand with the priming and foaming problem in boilers? 4

Q2

• Describe the carbonate and phosphate conditioning of water to overcome the boiler feed problem. 7
• Calculate the amount of lime and soda required for the chemical treatment of water containing : Ca2+ = 80 ppm; Mg2+ = 36 ppm; K+ = 39 ppm; HCO3- = 244 ppm; FeSO4.7H2O added as coagulant = 69.5 ppm. 8

Q3

• Define gross and net calorific values of fuels. 3
• Discuss the method of calorific value determination by BOMB's calorimeter. 8
• Calculate the weight and volume of air required for the combustion of 3 Kg of carbon. 4

Q4

• Describe the fractional distillation of petroleum. 5
• What do you understand with the knocking of a fuel? Report ways to improve the anti knocking characteristics of a fuel. 5
• Write about the production and applications of WATER GAS. 5

Q5

• Explain the colors in the compound of the following:

                       (i) Mn2+ (ii) Cr3+ (iii) Zn2+ 3

• Describe the CRYSTAL FIELD THEORY for the octahedral complexes of transition metals. 8
• Report the magnetic behavior of any two of the complex ions: 

                     (i) [Cu(NH3)4]2+ (ii) [Fe(CN)6]3- (iii) [Ni(H2O)6]2+ 4

Q6

• Define the term polymer with suitable examples. 2
• Differentiate ORGANIC and INORGANIC polymers. 5
• What are phosphazenes? Give a method of preparation, structure and properties of a phosphazene. 8

Q7

• Define Ideal and Non-Ideal solutions. 4
• Write about the distillation of a binary solution. 7
• What is Nernst Distribution Law? Give its applications. 4

Q8 Write short notes on ANY FIVE of the following: 5x3

• Lime Soda Process
• Special behavior of strong electrolytes
• Nuclear Fission
• Henry's Law
• Metallurgical Coke
• Polysiloxanes

Earning:  ₹ 4.00/-