State Beer and Lambert's law and write its mathematical expression.
See Answer →Name the phenomena which can be explained using
(i) wave nature of radiation
(ii) particle nature of radiation.
See Answer →Molecular spectra are band spectra whereas atomic spectra are line spectra. Explain.
See Answer →Define electromagnetic radiation and state the relationship between the velocity and wavelength of an electromagnetic radiation.
See Answer →Briefly explain Heisenberg uncertainty principle.
See Answer →An impure sample of CaC2O4 . H2O is analyzed using TGA technique. TG curve of the sample indicates the total mass change from 85 mg to 30.7 mg when this sample was heated up to 1173 K. calculate the purity of the sample.
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Describe the experimental setup of TGA. Taking suitable examples explain the effect of furnace atmosphere on TG curves.
See Answer →A conductivity cell shows a resistance of 3950 Ω at 25°C when filled with the experimental solution and 4864 Ω at the same temperature when filled with 0.02 M KCI solution. If the conductivity of the solution is 2.767 x 10-3 S cm-1, calculate the conductivity of the experimental solution.
See Answer →Describe different factors effecting conductance.
See Answer →Discuss design and working of calomel and glass electrodes.
See Answer →Why is selectivity coefficient of an ion exchanger important? Give the order of selectivity coefficients of different cations and anions.
See Answer →Briefly explain various factors affecting the efficiency of column chromatography
See Answer →Give at least five examples each of mobile phases and locating agents used in paper chromatography
See Answer →How can a mixture of three components be separated using ascending paper chromatography? Draw the suitable diagram and explain.
See Answer →How is extraction of metal chlorides and nitrates carried out using solvation?
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Discuss the extraction of an organic compound when it is present in the aqueous phase along with the impurities.
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Briefly explain the extractions with diphenylthiocarbazone. How is change in pH useful in such extractions?
See Answer →What is significance of F-test? Explain using a suitable example.
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