Please answer as many as possible!:)

3 Are the structures of the following neutral molecules or charged ions right? If wrong, why? 4. Use the right energy diagram of atomic orbital (AO) and molecular orbital (MO) theories to explain the following theoretical reaction H+HH2 5. Draw all possible resonance structures for the cationic intermediate involved the following reaction and identify the most contributing structure for the cation. 6. Draw all the constitutional isomers (you do not need to worry about stereoisomers) with the following molecular formula: C6H14 7. Name the following compounds according to IUPAC rules: (2) (3) (4) 8. Draw the energy diagram of following compound as a function of dihedral angle from 0 to 180AND using Newman projection to depict all the conformations that have minimum and maximum energie CH3CH3