BSc Sem III 2023 2024 2024 CHEMISTRY III Question Paper - Mumbai University | munotes

Questions asked in this paper

• ii)Figures to the right indicate full marks

1. Q1 Accuracy stands for
2. Q2 The value of the selectivity may vary from
   • a) d)2tol
3. Q3 Universe is also called
4. Q4 The is measured in terms of the slope of the calibration curve
5. Q5 used to measure absorbance of colored solution
6. Q6 in the Lamber’s law
7. Q7 Range of visible region is
8. Q8 Plane light vibrate in plane
   • a) b)Single
9. Q9 Indicator is used in complexometric titration
10. Q10 Solution in flask is called as
11. Q11 is example of secondary standard
12. Q12 lodometry is one of the most important titration
    • B.) Match the column ( column 1) (Column 2) ( 3Marks)
13. Q3 prism c. Average of all observation
    • C.) True or False. 3
14. Q1 Electro gravimetry is an optical method
15. Q2 Spectrophotometers are more sensitive than colorimeter
16. Q3 Concentration of primary standard is known
17. Q2 ) Answer the following (Any 4) 20 marks
18. Q1 Write on: i) universe ii) Increment iv) Gross Sample
19. Q2 What ae different methods of minimizing error?
20. Q3 Outline different analytical method ? How are they classified?
21. Q4 Define the following
22. Q5 Explain Compact solid and particulate solids
23. Q6 Calculate the mean, median and mode for the following set of values 18.30, 18.28 , 18.27 and 18.28 Answer the following (Any four } ( 20 Marks )
24. Q1 Explain various components of single beam colorimeter with diagram
25. Q2 Explain prism monochromator with diagram
26. Q3 Define :- a) Radiant power b) Absorbance c) Transmittance d) Wavelength of maximum
27. Q4 Define and explain plane polarized light
28. Q5 What is electrochemical interaction explain any two
29. Q6 What are deviations from Beer’s and Lambart’s law
30. Q4 ) Attempt the following ( Any four ) 20 marks
31. Q1 Define the following: a) titrant b) titrand c) End point d) Indicator e) Equivalence point
32. Q2 What is PH and POH ? Derive the relation between them
33. Q3 Write a note on a) common-ion effect b) co-precipitation
34. Q4 State different types of titration explain any two of them
35. Q5 principle of gravimetric analysis and different steps involve in it
36. Q6 Explain the theory of Diphenyl amine indicator and PH indicator

Read from the scan above, so a character or two may differ. The scan is the original.