26.

27

28.

29.
30.

83.

32.

| What do you understand by the term trans effect ? Discuss any two applications of it (5 Marks)
~ Discuss the importance of solubility product and common ion effect in qualitative analysis. [5 Marks)

‎Write a note on liquid crystals with special reference to their classification, characteristics‏ ۔

‎and important applications. (7 Marks)
. Explain the principle of thin layer chromatography, What are its advantages 7 (7 Marks)
. Discuss the Splitting of d orbitals in octahedral field according to crystal field theory. How will

‎you explain the colour on the basis of this theory ? (7 Marks)
~ Discuss any seven applications of tracer (radioisotopes) techniques, (7 Marks)
~ Write a method for Preparing a tertiary alcohol containing two identical alkyl groups. Write

‎one method for distinguishing primary, secondary and tertiary alcohols, (7 Marks)
. Explain the Co-operative effect of haemoglobin during Oxygen transport. (10 Marks)

‎» Derive Langmuir’s adsorption isotherm and explain how it Could be used for determination of

‎surface area of an adsorbent. (10 Marks)

‎(i) Calculate the minimum energy in Joules required to ionize an electron in then = 2 state

‎of hydrogen atom. (5 Marks)
(11) Calculate the wavelength (in nm) of the photon emitted by an electron in making the

‎transition from n = 3 to n= 11९४९ of Liz, (5 Marks)
Distuguish between DNA and RNA with regard to their structure, location in cells and
functions. (10 Marks)
Discuss the significance of the terms chemical shift and spin-spin splitting in NMR Spectroscopy
with illustrative examples. (10 Marks)
Discuss lanthanide Contraction, its consequences and significance in the separation of
Individual lanthanides. (10 Marks)
What different techniques are employed for Purification or refining of metals 7 (10 Marks)
What are semiconductors ? Explain N-type and P-type semiconductors, Discuss the
effect of temperature on the Conductivity of Semiconductors. (10 Marks)
Commencing with ethyl acetoacetate, outline the synthesis of : (10 Marks)

‎(i) 8066101 acid
(11) Butanoic acid
(iii) Hexane — 2, 5-dione
(iv) 4- Methyl uracil
(४) Crotonic acid.

‎Set up the Schrodinger wave quation for a particle in one dimensional box, solve it and get
expression for the enerey of electron. Give one application of the Particle in a box model. (10 Marks)

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