Chapter 15: Q1. (page 570)
Question: Classify each radical as Primary , secondary or tertiary carbon radicals .
Short Answer
Answer
a. carbon radical
b. carbon radical
c. carbon radical
d. localid="1648713761224" carbon radical
Chapter 15: Q1. (page 570)
Question: Classify each radical as Primary , secondary or tertiary carbon radicals .
Answer
a. carbon radical
b. carbon radical
c. carbon radical
d. localid="1648713761224" carbon radical
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Get started for freeQuestion: In the presence of a radical initiator (Z* ), tributyltin hydride ( R3SnH,R=CH3CH2CH2CH2 ) reduces alkyl halides to alkanes: R'X+R3SnHR'H+R3SnX. The mechanism consists of a radical chain process with an intermediate tin radical:
This reaction has been employed in many radical cyclization reactions. Draw a stepwise mechanism for the following reaction.
Question: In cells, vitamin C exists largely as its conjugate base X. X is an antioxidant because radicals formed in oxidation processes abstract the labeled H atom, forming a new radical that haltsoxidation. Draw the structure of the radical formed by H abstraction, and explain why this Hatom is most easily removed.
Question: Five isomeric alkanes (AโE) having the molecular formula C6H14 are each treated with Cl2 + hv to give alkyl halides having molecular formula C6H13Cl . A yields five constitutional isomers. B yields four constitutional isomers. C yields two constitutional isomers. D yields three constitutional isomers, two of which possess stereo-genic centres. E yields three constitutional isomers, only one of which possesses a stereo-genic centre. Identify the structures of AโE.
Question: Devise a synthesis of each compound from cyclopentane and any other required organic or inorganic reagents.
a.
b.
c.
d.
e.
Question: (a)Draw the structure of polystyrene, the chapter-opening molecule, which is formed by polymerizing the monomer styrene, C6H5CH=CH2. (b) What monomer is used to form poly(vinyl acetate), a polymer used in paints and adhesives?
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