Exam 11: Radical Reactions

Which intermediate leads to the major product for the reaction of 2-methyl-2-butene with hydrogen bromide?

What term most accurately describes the process shown below?

Using correct arrow formalism,draw all the resonance structures for the radical shown below.

Use correct arrow formalism to show termination by coupling of two growing poly(vinyl chloride)chains.

Which of the labeled C-H bonds is the weakest?

Propose an efficient synthesis of 3,4-dimethyl-2-pentanol from 2-methyl-2-butene and ethanal.

Use correct arrow formalism to show the second propagation step for the reaction of a chlorine radical with ozone.

Upon treatment with NBS and irradiation with UV light,2-propyl-1-pentene produces four monobrominated compounds (including stereoisomers).Draw and name the products of this reaction.

Both compounds A and B have molecular formula C₆H₁₄.Monochlorination of compound A results in formation of two constitutional isomers.Monochlorination of compound B results in formation of four constitutional isomers.Identify compounds A and B,and show the products of each monochlorination.

What term most accurately describes the process shown below?

Upon treatment with NBS and irradiation with UV light,2-methyl-2-butene reacts to produce six monobrominated compounds.Draw the products of this reaction.

Use correct arrow formalism to show the following radical process: