Lovely Professional University 2009 B.Tech Information Technology Assignment 4- Chemistry - Question Paper

CHE151

Assignment 4 M.M 30

1. Distinguish crystalline and amorphous solid.
2. Write the principle of NMR.
3. How population difference can be increased in NMR?
4. Derive Bragg’s legal regulations.
5. What are difference kinds of imperfections? And discuss schottky and Frenkel defect.
6. Define addition polymers and condensation polymers with example.
7. Derive an expression for the activation energy in terms of k¬1, k2, T1 and T2
8. Write 2 properties and application of each: polyester, polystyrene, urea formaldehyde

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