Chap 11

Question 1

ALkynes have strong/weak intermolecular forces

Answer 1

weak

Question 2

Because ______ ____ ___ ___ alkynes are electron rich, alkynes undergo addition with electrophiles

Answer 2

pie bonds are weak

Question 3

Alkyne hydrohalogenation can create geminal dihalides

Answer 3

true

Question 4

Geminal di halides have

Answer 4

two X bonds attached at the same carbon

Question 5

Addition of two equivalents of X-X bonds can cause:

Answer 5

tetra halides (anti addition occurs) and bridges are still formed

Question 6

*Markinovs rule is followed *An unstable enol is formed at first whicj rearanges to a carbonyl (ketone) group

Answer 6

Hydration- addition of H2O (1 eqivalent)

Question 7

The main difference between Hydroboration and hydration in alkynes is the fact that the unstable enol group turns into an _______ in hydroboration while it turns to ______ in the hydration reaction

Answer 7

Aldehyde

Ketone

Question 8

Ketones look like

while aldehydes lookj like

Answer 8