Explain the electronic spectra of the acetylenic and benzenoid chromophore.

Explain bathochromic shift with a suitable example.

Give the schematic diagram of the order of molecular orbital energies and give the possible electronic transitions in them.

(i) The attack of the electrophile in furan occurs at the C-2 (or) position. Explain with the help of a suitable example.
(ii) Write the preparation of pyridine. 

i)

ii) 

iii)

iv) 

v) 

Give IUPAC name of the following compounds:

How are the signals in an atomic spectrum characterized? Illustrate your answer.

What is the necessary condition for observing IR spectrum? Describe in brief the

types of vibrations for a polyatomic molecule.

Write the expression of Lambert’s and Beer’s law. List the factors responsible for the deviation from Beer-Lambert’s law.

Write the shortcomings of wave model of electromagnetic radiation. Describe the model that was able to explain these shortcomings.

An impure sample of 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. 

Taking suitable examples explain the effect of furnace atmosphere on TG curves.

Explain ionic nobilities and transport number.

How the conductance is varies with concentration? Explain with the help of suitable examples.

Discuss the factors which limit the accuracy of pH measurements.

Briefly explain various types of capacities associated with ion exchangers.

Discuss the principle of coloumn chromatography illustrating the experimental setup.

List different criteria for choosing the mobile phase used in paper chromatography.

Draw a flow chart for the classification of various types of chromatographic techniques

Explain continuous extraction with the help of a suitable diagram. Which factors govern the efficiency of such extractions?