Instrumental Methods Of Chemical Analysis

Mention the important applications of AAS.

Explain the types of electronic transistors associated with organic molecules.

State Lambert's law and Beer's law. Mention deviations from Beer's law.

What are requirements of IR absorption? Explain different types of vibrations in molecules.

Explain KBr Pellette technique of sampling of solid samples.

Explain in brief working of double beam IR spectrometer, with a neat sketch.

Explain the term NMR and derive an expression for Larmour equation.

What is Chemical shift? How it is caused? Why TMS is used as internal reference in the determination of chemical shift? 

Sketch and explain HNMR spectral splitting pattern in Ethyl bromide (CH₃ CH₂ Br). 

Explain the basic principle of mass spectroscopy.

 Discuss any two methods of generating positive ions in mass spectroscopy .

Explain with a neat diagram instrumentation of mass spectroscopy.

Distinguish between flame emission spectroscopy and atomic absorption spectroscopy.

Discuss the instrumentation of atomic absorption spectroscopy.

Give an account of clectromagnetic radiation. Discuss electromagnetic spectrum with wavelength range and energy of radiation.

What is Polarography? Explain the construction and working of dropping mercury electrode. 

Define the following term:

i) Residual current 

Define the following term:

ii) Migration current

Define the following term:

ii) Diffusion current.

Discuss any two applications of polarography.

Define Chromatography. Explain classification of chromatographic methods based on mechanism of separation. 

Explain any two steps involved in the preparation of thin layers on plates.

Define the following term used in chromatography:

i) Stationary phase 

Define the following term used in chromatography:

ii) Mobile phase

Define the following term used in chromatography:

iii) Chromatogram.

Define the following term used in chromatography:

Discuss the principle and instrumentation of HPLC.

Explain in brief any two types of detectors used in gas chromatography.

Discuss the instrumentation of atomic absorption spectroscopy.

Explain the types of electronic transistors associated with organic molecules

State Lambert's law and Beer's law. Mention deviations from Beer's law.

What are requirements of IR absorption? Explain different types of vibrations in molecules.

Explain KBr Pellette technique of sampling of solid samples.

Explain in brief working of double beam IR spectrometer, with a neat sketch.

Explain the term NMR and derive an expression for Larmour equation.

What is Chemical shift? How it is caused? Why TMS is used as internal reference in the determination of chemical shift?

Sketch and explain HNMR spectral splitting pattern in Ethyl bromide (CH3 CH2 Br)

Explain the basic principle of mass spectroscopy.

Discuss any two methods of generating positive ions in mass spectroscopy.

 Explain with a neat diagram instrumentation of mass spectroscopy.

 Distinguish between flame emission spectroscopy and atomic absorption spectroscopy.

Give an account of electromagnetic radiation. Discuss electromagnetic spectrum with wavelength range and energy of radiation. 

Mention the important applications of AAS.

What is Polarography? Explain the construction and working of dropping mercury electrode. 

Define the following term:

i) Residual current

Define the following term:

ii) Migration current

Define the following term:

ii) Diffusion current

Discuss any two applications of polarography.

Define Chromatography, Explain classification of chromatographic methods based on mechanism of separation. 

Explain any two steps involved in the preparation of thin layers on plates.

Define the following term used in chromatography :

iii) Chromatogram.

Define the following term used in chromatography :

i) Stationary phase

Discuss the principle and instrumentation of HPLC.

Explain in brief any two types of detectors used in gas chromatography.