Explain why a less carbocation can undergo rearrangement to a more stable carbocation but a free radical does not
Answers
Answer:
The relative stability of radicals is different from that of carbocations because they have different numbers of valence electrons.
Free radicals have only 7 electrons in their valence shell. They are higher in energy than atoms with 8 valence electrons.
Carbocations are also electron-deficient species. Since carbocations have only 6 valence electrons, they are higher in energy than free radicals.
We know this, because many carbocations rearrange to become more stable. Free radicals seldom rearrange.
The same factors that stabilize carbocations stabilize free radicals.
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Since carbocations have solely vi valence electrons, they're higher in energy than free radicals.
- we all know this, as a result of several carbocations arrange to become additional stable.
- Free radicals rarely arrange. equivalent factors that stabilize carbocations stabilize free radicals.
- Free radicals cannot move into rearrangements as a result of their being electrically neutral having just one unmated negatron.
- however radical rearrangements are feasible in bismuth radicals and halogens as a result they each have loan pairs
- The additional stable the carbocation, the lower the energy for reaching that intermediate is.
- The additional substituted a carbocation is, the additional stable it's.
- The carbocation guaranteed to a few alkanes (tertiary carbocation) is the most stable, and therefore the proper answer.
- Free radical is associated with unmated negatron, versus a carbocation is sort of a C with solely three bonds. carbocation would be like NH_4 - four bonds or associate O with three bonds.
- Carbo ion has SP2 pairing however radical is SP3 hybridised thus carbocation and radical differ during this method.
- The relative stability of radicals is different|completely different} from that of carbocations as a result of they need different numbers of valence electrons.
- Free radicals have solely seven electrons in their valence shell. they're higher in energy than atoms with eight valence electrons. Carbocations are electron-deficient species
- In carbanions, it follows just about an equivalent except for a couple of changes.
The order is like,
Aromatic stabilised>Resonance stabilised>Primary>Secondary>Tertiary.
thus beat all, these can bear arrangements to accumulate their most stable state.
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