Home > Pericyclic Reactions > Quiz 2 >
     
Pericyclic Reactions
Quiz 2

1 .       A symmetry-forbidden pathway [Hint]



2 .       Bond formation is antarafacial if [Hint]



3 .       According to molecular orbital theory, there is (are) ______ molecular orbital(s) produced for every atomic orbital involved. [Hint]



4 .       Antibonding orbitals result when [Hint]



5 .       When the four p orbitals of butadiene are combined, how many molecular orbitals are formed? [Hint]



6 .       The lowest unoccupied molecular orbital is known as the [Hint]



7 .       What product would (2E, 4E)-2,4-hexadiene give upon heating? [Hint]



8 .       In electrocyclic reactions, orbitals rotate to form bonds. If both orbitals rotate in the same direction, ring closure is called [Hint]



9 .       If the orbitals rotate in opposite directions, ring closure is called [Hint]



10 .       The selection rules for pericyclic reactions are also known as the [Hint]



11 .       The [3,3] sigmatropic rearrangement of a 1,5-diene is called [Hint]



12 .       The [3,3] sigmatropic rearrangement of an allyl vinyl ether is called a [Hint]



13 .       When a hydrogen migrates in a [1,3] sigmatropic rearrangement, the transition state involves a [Hint]



14 .       For a [1,3] sigmatropic migration of hydrogen under thermal conditions, the HOMO is [Hint]



15 .       A [1,7] sigmatropic hydrogen migration involves ________ pairs of electrons. [Hint]



Answer choices in this exercise are randomized and will appear in a different order each time the page is loaded.





Copyright © 1995-2010, Pearson Education, Inc., publishing as Pearson Prentice Hall Legal and Privacy Terms