Consider the following electrochemical cell
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Explain how thermometric titrations are different than classical titrations. Discuss their advantages.
(b) What is the principle of differential scanning calorimetry (DSC)? Draw the schematic diagram of a DSC instrument.
reduction and reducing agent
What is dropping mercury electrode? Give its advantages.
In an isotope dilution analysis experiment, radiolabelled analyte with specific activity
was added. After equilibration and chemical separation
pure analyte having specific activity
was isolated. Calculate the amount of analyte in the sample.
oxidation and oxidizing agent
Indium and Cadmium ions in 0.1 M HCl give peaks at potentials -0.557 V and -0.597 V by differential pulse polarographic analysis. When a standard solution containing 0.4 ppm of indium is analysed, it gave peak current (in arbitrary units) corresponding to 100.25 at -0.557 V and 43.75 at -0.597 V. A standard solution containing 0.4 ppm of Cd gave ip 29.52 at -0.557 V and 64.8 at -0.597 V. What is the concentration of indium and cadmium in a sample if the peak current is 190 at -0.557 V and 120 at -0.597 V.