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Write the basic principle of Rutherford backscattering spectroscopy (RBS) also name the ions commonly used for primary beam in RBS.
In a coulometric method, 200 mg of nitrobenzene in of methanol is reduced to phenyl hydroxylamine at a constant potential of -0.95 V (vs. SCE) applied to an Hg electrode. Following reaction takes 30 minutes to complete.
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Calculate the percentage of nitrobenzene if above reduction requires 32mA current.
What are the common sources of neutron for neutron activation analysis (NAA)? What factors contribute to higher sensitivity in NAA? Briefly explain any one.
Explain why neutron induced reactions are most common whereas deuteron induced reactions require accelerator facility to carry out these reactions.
What is Coulometer? Explain briefly. Write cathodic and anodic reaction of hydrogen-nitrogen coulometer, where 0.1 M hydrazine sulphate is used as the electrolyte.