Quiz 5

Question 1

How is Fe a sandwich?

Answer 1

bc on the nmr only singlet with integration of 10 so all H are the same if acyl group was attached to a carbon, different peaks would appear.

Question 2

Draw mechanism for acetylferrocene

Answer 2

do it

Question 3

Why not want to release pressure form bulb early?

Answer 3

can suck out or dry out the solvent which can then dry the silica dry and cause to crack. The cracks will compromise the effectiveness of the column.

Question 4

Order of elution and why important change solvent?

Answer 4

ferrocene then acetylferrocene; bc faster bc more IMF between acetylferrocene and mobile phase. polar part interact with polar part, nonpolar with nonpolar.

Question 5

Resonance for cyclopentadienyl

Answer 5

do it

Question 6

Whats the first reaction of multistep synthesis?

Answer 6

benzaldehyde to stilbene (write rxn and reagents)

Question 7

whats second reaction of multi?

Answer 7

stilbene to diphenylacetylene (write rxn and reagents)

Question 8

third step of multi?

Answer 8

benzoin to benzil (write rxn and reagents)