Exam 4 practice exam

Question 1

1. 9-BBN
2. H2O2, OH-

Answer 1

Adds COOH at mark

Question 2

1. O3
2. H2O

Answer 2

Cuts at double bond- nonterminal end has O= and H at one end, other has =O (2 if it’s a C)

Question 3

What’s involved in oxymercuration demurcuration?

Answer 3

H2SO4, H2O, HgSO4

Question 4

NaNH2

Answer 4

Kicks off Halo, adds DB to carbons

Question 5

CH3Cl

Answer 5

Adds methyl

Question 6

NaNH3

Answer 6

Creates trans alkenes + NaNH2 (with -=-)

Question 7

Sia2BH

Answer 7

OH at anti mark

Question 8

H2O2, NaOH

Answer 8

O added across DB (making epoxide)

Question 9

H2, Lindlar’s catalyst

Answer 9

Removes bond and makes it cis

Question 10

Br2

Answer 10

Anti addn across DB

Question 11

What makes radicals stable?

Answer 11

More substituted, resonance, low BDE, DB (cyclohexane)

Question 12

When speed is given and you want to find product ratios…

Answer 12

speed*#H atoms

Question 13

Adding enol

Answer 13

Add OH-; probbaly e- pushing. Add stuff to H2o too

Question 14

adding cyclohexane with H, D, Cl

Answer 14

H and D are flipped,

Question 15

H3O+

Answer 15

Adds OH at anti mark of DB

Question 16

H2, PD/Pt

Answer 16

Removes all bonds and makes it trans

Question 17

Hg(OAC)2, H2O

Answer 17

H2O at mark