Get your IGNOU Help books delivered to your doorstep in Delhi NCR within just 4-6 hours! (T&C Apply). Order now to Get Success in Exams.

IGNOU CHE-04
- Physical Chemistry,
Latest Solved Assignment

(January 2024 - December 2024)

CHE-04 Assignment

#1 Best Selling IGNOU Assignments in All Available in Market

Bought By: 4664 Students

Rating: 4.6

Get IGNOU CHE-04 Assignments Soft Copy ready for Download in PDF for (January 2024 - December 2024) in English Language.

  • Helps save time and effort-really well
  • Promises Good Marks in Less Time
  • Answers that are verified and accurate
  • Based on IGNOU Guidelines.
Only 6 left to stop selling the Same Copy people are viewing this, and 7 recently purchased it

Select Assignment Type

Typed
Instant Download in Next 2 Minutes after Payment.

Buy Bulk Assignments (Soft or Hard) Copy

Buy Bulk Handwritten Assignments
  • 100% Money-Back Guarantee
  • Faster Shopping
  • Choosing us saves you time and money
  • Guaranteed Safe Checkout

IGNOU CHE-04 January 2024 - December 2024 - Solved Assignment

Are you looking to download a PDF soft copy of the Solved Assignment CHE-04 - Physical Chemistry? Then GullyBaba is the right place for you. We have the Assignment available in English language.

This particular Assignment references the syllabus chosen for the subject of Chemistry, for the January 2024 - December 2024 session. The code for the assignment is CHE-04 and it is often used by students who are enrolled in the B.Sc. Degree.

Once students have paid for the Assignment, they can Instantly Download to their PC, Laptop or Mobile Devices in soft copy as a PDF format. After studying the contents of this Assignment, students will have a better grasp of the subject and will be able to prepare for their upcoming tests.

IGNOU CHE-04 (January 2024 - December 2024) Assignment Questions

1. (a) Express the height of mercury column and density of mercury in SI Units.
(b) Differentiate between lyophilic and lyophobic sols.

2. Derive the following equation for the collision frequency:

3. Show that for real gases

4. (a) Discuss the factors affecting surface tension of liquids.
(b) Arrange the following in the increasing order of their viscosity:
Glycerol, Benzene, Water
Give reason for your answer.

5. Draw and name fourteen Bravais lattices.

6. Show that for a reversible adiabatic process, TV γ -t is constant.

7. Calculate the standard enthalpy of formation of acetone vapour and acetone liquid. (Enthalpy of vapourisation of liquid acetone is 29 kJ mol-1).

8. Write all the statements of the second law of thermodynamics.

9. The free energy change ΔG for a reaction is -221.00 kJ mol-1 at 298 K and -201.00 kJ at 318 K. Calculate the enthalpy change for the reaction at 308 K.

10. Discuss the boiling point-composition diagram of a liquid mixture showing positive deviation from Raoult’s law.

11. Discuss the principle of steam distillation. Also draw a suitable diagram for this process.

12. Briefly discuss van’t Hoff’s laws of osmotic pressure.

13. Draw and explain the phase diagram for KI-H2O system.

14. Derive the following equation:

15. Show that for the hydrolysis of a salt of a weak acid and a weak base,

16. What is transference number? Discuss the Hittorf method of determination of transport number.

17. What is standard hydrogen electrode? Explain with the help of a suitable diagram.
Give the IUPAC rules for the sign convention in reporting the standard state half cell potentials.

18. For a second order reaction, show that

Also give one example of such a reaction.

19. What is quantum efficiency. Explain its calculation using chemical action meters.

20. Explain the following terms:

(i) Peptisation
(ii) Dialysis.

IGNOU CHE-04 (January 2023 - December 2023) Assignment Questions

1. (a) Write the SI units and its symbols for the following quantities:
(i) Molar mass
(ii) Force
(iii) Pressure
(b) How can we differentiate between oil in water and water in oil emulsions?

2. Draw the distribution of molecular speeds of gases. Write expressions for different types of speeds. Also calculate the average speed of oxygen molecules at 298 K.

3. Discuss Linde’s method of liquefaction of gases using a suitable diagram.

4. Define vapour pressure. Explain how is it measured? Which are will have lower vapour pressure-water or ethanol? Explain.

5. Briefly explain the terms ‘lattice’ and ‘basis’ giving suitable diagrams.

6. (a) “Work can be done in a variety of ways”. Explain.
(b) Derive the following relation:
C p – C v = nR

7. (a) Derive Kirchoff’s equation.
(b) Explain what happens when the value of
(i) is zero
(ii) is constant
(iii) changes with time.

8. Show that for a cyclic process of isothermal irreversible expression and reversible compression, show that the total entrophy change entropy is greater than zero.

9. (a) What is the free energy change when 2 moles of an ideal gas expands reversibly and isothermally at 3.20 x 10 2 K from an initial volume of 10.00 x 10 -2 m 3 to 2.00 m 3?
(b) Derive the following relation:

10. Draw and explain the vapour pressure curves of a solution showing negative deviation from Raoult’s law.

11. Derive the following expression:

for the mass of an organic compound that remains unextracted after n extractions.

12. (a) Discuss Rast method for determining the relative molecular mass of a non-volatile solute.
(b) An aqueous solution contains 2 x 10 -3 kg of a solute is 5.00 x 10 -2 kg of water. Themolecular mass of the solute is 0.0540 kg mol-1.
Calculate the change in freezing point if ice melts at 273.15 k and its molar enthalpy of fusion is 6021 J mol -1.

13. Discuss the phase diagram of sulphur giving a suitable diagram.

14. (a) Calculate the Kp for the following reaction.
H2O + CO (g) = H2 + CO2
At equilibrium

15. (a) For 0.20 M solution of sodium acetate. Calculate the following at 298 K
(i) Kn
(ii) degree of hydrolysis
(iii) pH
(Kw = 1.0 x 10 -14 and Ka acetic acid = 1.8 x 10 5)

16. (a) Define molar conductance and give its units.
(b) How can the solubility of a sparingly salt be determined using conductance method.

17. Discuss different types of electrodes giving one example of each.

18. Briefly explain various experimental methods of studying reaction rates.

19. For the photochemical reaction between H2 and Br, show that

20. (a) Differentiate between number average and mass average molar masses.
(b) Calculate the mass average molar mass of molar mass a sample having following distribution.

CHE-04 Assignment Details

  • University IGNOU (Indira Gandhi National Open University)
  • Title Physical Chemistry
  • Language(s) English
  • Session January 2024 - December 2024
  • Code CHE-04
  • Subject Chemistry
  • Degree(s) B.Sc.
  • Course Core Courses (CC)
  • Author Gullybaba.com Panel
  • Publisher Gullybaba Publishing House Pvt. Ltd.

Assignment Submission End Date

The IGNOU open learning format requires students to submit study Assignments. Here is the final end date of the submission of this particular assignment according to the university calendar.

  • 30th April (if Enrolled in the June Exams)
  • 31st October (if Enrolled in the December Exams).

Download Files & Sessions Details

Here are the PDF files that you can Download for this Assignment. You can pick the language of your choice and see other relevant information such as the Session, File Size and Format.

English Language

  • January 2024 - December 2024 26 Pages (0.00 ), PDF Format SKU: IGNGB-AS-BS-CHE04-EN-422
  • January 2023 - December 2023 30 Pages (0.00 ), PDF Format SKU: IGNGB-AS-BS-CHE04-EN-326

What's Included

In this section you can find other relevant information related to the Assignment you are looking at. It will give you an idea of what to expect when downloading a PDF soft copy from GullyBaba.

  • All Solved Answers By IGNOU Experts.
  • Available for 3 Times for Download.
  • Downloadable Soft Copy in PDF.
  • Print Ready Format: A4 (21 x 29 x .20 cm (Width x Length x Height)

Customers Also Bought

In addition to this Assignment, there are also other Assignments related to the B.Sc. Chemistry you are preparing for. Here we have listed other Assignments that were bought along with this one.