2. What is the role of Nitrogen gas in polarography ?3. Draw and label a ideal polarogram.4. Write a note on DME with suitable diagram.5. Discuss the Qualitative application of polarography.6. Draw a schematic diagram of Dropping Mercury Electrode. Give advantagesand disadvantages of DME.7. Sketch ideal polarographic wave. Explain the term residual current andlimiting current.8. What is residual current ?9. Define the term migration current in polarography.10. Give the principle of polarography and explain the role of supportingelectrolyte in polarography.11. What is supporting electrolyte in polarography ?12. Explain contruction and working of DME.13. How the effect of migration current eliminated.14. Define the term maximum supressor.15. Sketch a neat labeled diagram of an ideal polarographic curve and explainResidual current ,Condenser current, Faradic current and Migration current.16. Calculate the diffusion current flowing through the cell containing thesolution of Cd²+ ions having concentration of 5 millimoles l- if the drop rateis 4.5 seconds and rate of fallowing mercury is 4 mg sec. The diffusioncoefficient of Cd²*ion is 7 x10-6 cm² sec-'.17.Calculate the diffusion coefficient of Cu²*ion of 2 x10-3M CUSO4 solutionshows 45µA. The mercury drop time is 3.75 second per drop and mass of Hgflowing per second through capillary is 1.011mg s'.18. The solution of Cd2+ ions having concentration 5 millimoles 1-. If the droprate is 6 seconds and rate of falling mercury is 4 mg s-'. What is the diffusioncurrent flowing through the cell if the diffusion coefficient of Cd²+ ion is 7.0x10-6 cm? s-'.19. The diffusion coefficient of Cd²+ ion having concentration 3 x10-3mols 1' is0.72 x10-5 cm2 sl. If the capillary characteristic are t=4 sec and m=3mg s.Calculate the diffusion current for Cd.XXXXXXXXXXXXX:XXXXXXXX

Question 2) Given:- What is the role of Nitrogen gas in polarography? Note:- “Since you have…

2. What is the role of Nitrogen gas in polarography ? 3. Draw and label a ideal polarogram. 4. Write a note on DME with suitable diagram. 5. Discuss the Qualitative application of polarography. 6. Draw a schematic diagram of Dropping Mercury Electm and disadvantages of DME. 7. Sketch ideal polarographic wave. Explain the term resi

2. What is the role of Nitrogen gas in polarography ? 3. Draw and label a ideal polarogram. 4. Write a note on DME with suitable diagram. 5. Discuss the Qualitative application of polarography. 6. Draw a schematic diagram of Dropping Mercury Electm and disadvantages of DME. 7. Sketch ideal polarographic wave. Explain the term resi

College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter1: Units, Trigonometry. And Vectors

Section: Chapter Questions

Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...

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Instruction: Solve the following problems completely and neatly. Write your solution in a clean sheet of yellow раper. rth or gu. vvnat is the maan.. nof the n IVILE uI TUUIN 15 un. -.- AL:- 1. rv Ior 2. A pu -ayı ILu ut alnu ..- LICCIIC Tieid at the u .u VII De ine iay.... e anu uiitcuUI v... clectric Tield at the vrym 3. Three charges and their specific locations are given as follows: q1 = - 20 nC; (0, 3.00 cm) q2 = + 30 nC; (-2.00 cm, 5.00 cm) q3 = + 10 nC; (-4.00 cm, 0 cm) Determine the magnitude and direction of the net electric field at the field point P (3.00 cm, 0) using component method. 4. Calculate the magnitude and direction of the electric field 0.45 m froma+ 7.85 x 10s C point charge. 5. An electric dipole consists of two equal but unlike charges separated by a distance. Two point charges, qı = +4.5 x 106 C and q2= -4.5 x 10 6 C, are separated by 6.4 x 102 m, forming an electric dipole as shown in the figure. Find the electric field halfway between the dipole.