problem1) Answer all the problems:
a) SO3 has zero dipole moment. Why?
b) What are the significant consequences of schottky and Frenkel defects?
c) With the help of electron spin, differentiate between ferromagnets, antiferromagnets and ferrimagnets.
d) describe the hydrogen bonding with suitable exs.
e) Give the reason why XeF4 is square planar while CF3 is tetrapedral.
problem2) Give the ex of Diels-Alder reaction.
problem3) prepare detail notes on :
i) Semiconductors.
ii) Lattice defects.
problem4) prepare detail note on flurocarbons.