Unstable examples of these molecules can be transiently made more stable for detection in the “spin trapping” technique. For 10 points each:
[10e] Name these molecules, which can react with themselves to form one molecule in a recombination reaction. These molecules can mediate chain reactions with initiation, propagation, and termination steps.
ANSWER: free radicals
[10m] This phenomenon creates a trend in which tertiary radicals are more stable than secondary radicals, which are more stable than primary radicals. This phenomenon also creates a similar stability trend in carbocations.
ANSWER: hyperconjugation [reject “conjugation,” if someone tries to protest that “conjugation” should be promptable give them like A neg 20 instead for thinking they can do That]
[10h] In this effect, a radical is sandwiched by an electron-withdrawing and an electron-donating group, giving the radical remarkable thermodynamic stability due to electron delocalization.
ANSWER: captodative effect [accept merostabilization from a player born in the 1960s or earlier; prompt on push-pull effect]
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