Question 1)i) Explain different methods for calculation of equivalent of redox substances. Classify redox indicators. Describe functioning of internal indicators.
ii) Describe in details about applications and instrumentation of polarimeter. Add a note on optical activity.
Question 2) Solve the following:
i) Explain in brief various solvents used in non aqueous titration.
ii) What is buffer index? Write equation to calculate buffer index.
iii) Describe common ion effect. How is it utilized for controlling the concentration of weak electrolyte?
iv) Explain on titanous chloride titration.
v) Describe the principle of permanganate titration.
vi) Give the application of high frequency titration.
vii) Enlist different conditions used in Iodometric determination.
Question 3) Write notes on:
i) Instrumentation of conductometry
ii) ORD and CD
iii) different methods of oxidation-reduction reactions
iv) Assay of Sulphanilamide
v) Pharmaceutical applications of non aqueous titration.
Question 4) Explain different factors affecting stability constants. Give pharmaceutical applications of complexometric titration.
Question 5) What is co-precipitation and how it is reduced? Provide the application of gravimetric analysis.
Question 6) Solve the following:
i) Discuss on Metalochromic indicators
ii) compute pH of 0.01 M acetic acid solution (pKa – 4.76).
iii) Explain on types of EDTA titration
iv) Describe ligand and sequentering agent
v) Explain on potentiometric titration
vi) Explain common ion phenomenon. How it is utilized for controlling the concentration of weak electrolyte ?
Question 7) Write short note on:
i) Oxygen flask combustion
ii) Statistical tests of significance
iii) Filtration
iv) Nitrogen determination by Kjeldah’s method
v) Post precipitation