Exam Details

Subject Applied Chemistry
Paper
Exam / Course B.Tech in Aerospace Engineering (BTAE)
Department School of Engineering & Technology (SOET)
Organization indira gandhi national open university
Position
Exam Date December, 2016
City, State new delhi,


Question Paper

No. of Printed Pages: 6
I BAS-002 1
B.Tech.AEROSPACE ENGINEERING
(BTAE)
Term-End Examination

December, 2016
BAS-002 APPLIED CHEMISTRY
Time hours Maximum Marks: 70
Note: Attempt any seven questions. All questions carry equal marks. Use of scientific calculator is permitted.


1. Which ligand is termed as a chelating ligand? Give an example.

Which one or [Ni will be more stable stands for' diethylenetriamine) 2

Which one or is a monodentate ligand? 2

A ligand is a Lewis 2


2. How is pig iron obtained in a blast furnace Give the chemical reactions occurring in a blast furnace when hematite, limestone and coke are charged in the blast furnace and air or oxygen is blown from the bottom. 4

Draw the diagram of a blast furnace. 4

Which ore is called Fool's gold? 2

3. From the following three standard half reactions,

3e Sc; E^O V

y3+ 3e- EO

La3+ 3e- La; Eo 2.50 V

Which of the two half reactions will you choose to get maximum cell voltage? 4

Which one is the best oxidising agent and which one is the best reducing agent in the given three standard half reactions? 3

Oan Sc3+ oxidise If yes, what will be the voltage change, when Sc3+ and Y are allowed to react? 3

4. Answer the following in the context of contact process for the manufacture of sulphuric acid.

Write the reactions involved.

Draw the flow chart to illustrate the manufactured of H2SO4.

Write the temperature and Pressure maintained during the process.

Give the type of Catalyst used

5. Answer the following:

What is a Zwitter ion? Give an example. 3

Discuss the cleansing action of soap. 3

What type of functional group is principally involved in a dye which causes the change in colour at a certain pH Explain. . 4

6. Select the correct answer for the following questions

Which of the following is a natural polymer? 2

Terylene

Orlon

Starcl1

Dacron

Starch is a polymer of

Glucose 2

Fructose

Sucrose

Ribose

PVC is a polymerised product of 2

H2C= CH2

CH2 =CCl2

H2CCI -CH2Cl

CH2 =CHCl

Teflon, polystyrene and neoprene are all

Copolymers

Condensation polymers

Homopolymers

Monomers

Which of the following is/are addition polymers?

PVC

Nylon-6

Teflon

Terylene

7. How does cross linkage take place in isoprene (2-methyl-l,3-butadiene) in the presence of oxygen or sulphur?

What is the difference between cis-isoprene and trans-isoprene Can cis-isoprene be transformed into trans-isoprene? Explain.

8. If the equilibrium constants of SO2 1/2 02 SO3 and 2S03 2S02 02 are given by K1 and K2 respectively, which of the following relations is correct





(iii)k2=1/k1



1 gmole of ethyl alcohol and 1 gmole of acetic acid are mixed. At equilibrium, 0.666 gmole of ester is formed. The value of Kc is





(iii)2



40% of a mixture of 0.2 mole of N2 and 0.6 mole ofH2 react to give NH3 according to the equation 3H2(g) 2NHs(g) at constant temperature and pressure. The ratio of the final volume to the initial volume of the gases is

5

4

10

5

9. What is petroleum (crude oil) Discuss the fractional distillation of crude oil and mention the important components that are obtained at various temperature ranges.

What is octane number

What is knocking How can it be prevented?


Departments

  • Centre for Corporate Education, Training & Consultancy (CCETC)
  • Centre for Corporate Education, Training & Consultancy (CCETC)
  • National Centre for Disability Studies (NCDS)
  • School of Agriculture (SOA)
  • School of Computer and Information Sciences (SOCIS)
  • School of Continuing Education (SOCE)
  • School of Education (SOE)
  • School of Engineering & Technology (SOET)
  • School of Extension and Development Studies (SOEDS)
  • School of Foreign Languages (SOFL)
  • School of Gender Development Studies(SOGDS)
  • School of Health Science (SOHS)
  • School of Humanities (SOH)
  • School of Interdisciplinary and Trans-Disciplinary Studies (SOITDS)
  • School of Journalism and New Media Studies (SOJNMS)
  • School of Law (SOL)
  • School of Management Studies (SOMS)
  • School of Performing Arts and Visual Arts (SOPVA)
  • School of Performing Arts and Visual Arts(SOPVA)
  • School of Sciences (SOS)
  • School of Social Sciences (SOSS)
  • School of Social Work (SOSW)
  • School of Tourism & Hospitality Service Sectoral SOMS (SOTHSM)
  • School of Tourism &Hospitality Service Sectoral SOMS (SOTHSSM)
  • School of Translation Studies and Training (SOTST)
  • School of Vocational Education and Training (SOVET)
  • Staff Training & Research in Distance Education (STRIDE)

Subjects

  • Aerodynamics- I
  • Aerodynamics- II
  • Aircraft Design/Launch Vehicle/ Rocket Design
  • Aircraft Instruments
  • Aircraft Safety and Maintenance Engineering
  • Aircraft Structures
  • Aircraft Systems And Airworthiness Requirements
  • Applied Chemistry
  • Applied Physics
  • Basic Control Theory
  • CNS-ATM system
  • Composite Materials
  • Computer Fundamentals
  • Engineering Drawing
  • Environmental Science
  • Flight Mechanics
  • High Speed Aerodynamics
  • Instruction To Computer Play Device
  • Introduction to Aeronautics
  • Introduction To Rocket And Missiles
  • Mechanics Design
  • Propulsion- I
  • Propulsion- II
  • Rocket Propulsion
  • Space Dynamics
  • Strength of Materials
  • Technical Writing and Communication Skills
  • Workshop Technology