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Bachelor’s Degree Programme (BSCG) – ANALYTICAL METHODS IN CHEMISTRY Solved Assignment Answer | BCHET 141 | 2021-2022

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Bachelor’s Degree Programme (BSCG) – ANALYTICAL METHODS IN CHEMISTRY Solved Assignment Answer | BCHET 141 | 2021-2022

Free BCHET 141 Solved Assignment Answer | ANALYTICAL METHODS IN CHEMISTRY | For July 2021 – June 2022

IGNOU BCHET 141 Solved Assignment, This assignment is the curriculum of the BACHELOR’S OF SCIENCE (BSCG) program. For other courses, students check our website categories section to find their courses and assignments over there.

BCHET 141 ANALYTICAL METHODS IN CHEMISTRY Solved Assignment 2021-2022

IGNOU BCHET-141 ANALYTICAL METHODS IN CHEMISTRY assignment are 100 marks. There is only one section – A. Students have to answer all the questions. Download IGNOU BCHET-141 Assignment free without any registration, Students can easily download the IGNOU assignment question paper from the official website of the university. They are not required to pay any fees or charges for this.

Title NameBCHET-141 Solved Assignment 2021-2022 | ANALYTICAL METHODS IN CHEMISTRY
UniversityIGNOU
Service TypeSolved Assignment (Soft Copy/Q&A form)
CourseBSCG
LanguageEnglish
SemesterSession: July 2021 – January 2022
Short NameBCHET-141
Assignment CodeBCHET-141/TMA/January 2022
ProductAssignment of BCHET-141 | 2021-2022
Submission DateValid from 1st July 2021 to 30th June 2022
Assignment PdfDownload Now

How to get ANALYTICAL METHODS IN CHEMISTRY, BCHET 141 Solved Assignment?

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The answer of BCHET-141 | ANALYTICAL METHODS IN CHEMISTRY | Solved Assignment 2021-2022:

Note: Attempt all questions. The marks for each question are indicated against it.

Part – A

1. Define and differentiate between accuracy and precision with the help of suitable examples.

2. Define determinate errors. Briefly describe different sources of determinate errors.

3. Discuss the principle of solvent extraction.

4. Using a suitable diagram how will you extract an organic compound present in aqueous layer using chloroform as the solvent.

5. Explain the classification of chromatographic techniques using a suitable diagram.

6. How can you separate the components of a mixture using column chromatography? Explain using suitable diagram.

7. Define different types of capacities used in ion-exchange chromatography?

8. (a) Explain the extraction of Pb2+ ions using dithizone giving the structure of the complex form.
(b) What is bathc extraction.
(c) What is chabazite?

9. (a) What is reverse phase chromatography?
(b) Give any two examples of stationary phases which can be used in column chromatography?

10. What is direct potentiometry? Write Nernst equation for the following cell:
Zn(s) | Zn2+(a1) ║ Cu2+(a2) | Cu(s)

11. Calculate the potential of following electrodes:
i) A copper electrode immersed in 0.04 M Cu(NO3)2
ii) A zinc electrode immersed in 0.05 M Zn(NO3)2.

12. Discuss design and working of a calomel electrode.

13. Distinguish between molar conductivity and limiting molar conductivity. Explain why limiting ionic mobilities of H+ and OH- ions are exceptionally high.

14. The conductivity of 0.3 M HCl is 0.2384 Ω-1 cm-1. What is the molar conductivity of the solution?

15. List the factors affecting TG curve. Taking a suitable example, explain the effect of furnace atmosphere on TG curve.

16. A mixture of CaCO3 and CaO is analysed using TGA technique. TG curve of the sample indicates that there is a mass change from 584.2 mg to 374.5 mg between 500-900°C. Calculate the percentage of CaCO3 in the sample.

17. (a) Define electromagnetic radiation and state the relationship between the velocity and wavelength of electromagnetic radiation.
(b) The Gyan Vani transmission of IGNOU is broadcast at a frequency of 105.6 MHz in the Delhi region. Compute the energy of a photon corresponding to this frequency.

18. Enlist different types of species that absorb in the UV-VIS region and explain the types of transitions observed in organic compounds.

19. Sampling is an important consideration in IR spectrometry. Describe the methods used for sampling for IR measurement in solid-state.

20. (a) List the factors that determine the signal intensity in flame photometry.
(b) Describe the standard addition method of analysis for flame photometric measurements.

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