Answer the following problems.

problem 1) describe the toxicity of cadmium and lead in living systems.

problem 2) prepare the account on the mechanism of oxygen transport by myoglobin and haemoglobin.

problem 3) prepare detail notes on:

(i) Ionophores

(ii) Chelation therapy.

problem 4) Describe in detail about the electronic excitation in UV spectroscopy.

problem 5) How would you distinguish cis-and trans-cinnamic acid by UV-visible spectroscopy?

problem 6) How will you differentiate the following sets of compounds using IR spectra?

(a) Cyclohexanol and cyclopentanol,

(b) Primary, Secondary and Tertiary amines

(c) Esters and Lactones,

(d) Mono-and di-substituted benzene.

problem 7) Describe the principles of spin-spin interaction of protons in NMR spectroscopy.

problem 8) prepare brief notes on the following:

(a) Nitrogen rule,

(b) Meta stable peak.

problem 9) What is quantum yield? Describe

problem 10) Describe Norrish type II reaction with appropriate mechanism.