problem 1: Describe the term resonance effect. Give conditions essential for resonance.

problem 2: prepare a note on:

a) Huckel’s rule
b) Aromaticity.

problem 3: How do you differentiate transition states and intermediate states? Draw the potential energy diagram of transition and intermediate states.

problem 4: Describe the given:

a) Non classical carbocation
b) SNi reaction.

problem 5:

a) Describe the general mechanism and draw energy profile diagram of Aromatic electrophilic substitution reactions.
b) prepare the method of Hunsdiecker reaction.

problem 6:

a) Describe about hydrogenation of aromatic rings.
b) prepare the method of hydroboration.

problem 7:

a) prepare the method of metal hydride of unsaturated carbonyl compounds give illustrations.
b) prepare the method of Benzoin condensation.

problem 8: prepare the method and orientation in pyrolytic elimination.