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Problem 31-1
H2C CHCO2CH3 < H2C CHCl < H2C CHCH3 < H2C CH–C6H5
Problem 31-2
H2C CHCH3 < H2C CHC6H5 < H2C CHC N
Problem 31-3

The intermediate is a resonance-stabilized benzylic carbanion, The structure shows phenyl group connected to a C H R group with lone pair of electron and negative charge on carbon.

Problem 31-4
The polymer has no chirality centers.
Problem 31-5
The polymers are racemic and have no optical rotation.
Problem 31-10

Vestenamer: ADMET polymerization of 1,9-decadiene or ROMP of cyclooctene; Norsorex: ROMP of norbornene.

The structure of norbornene comprising a cyclohexene ring and a bridged methylene group.
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