carbanion

[nixon13]

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is the stability of carbanions opposite of carbocations?

 

[akirar]

is the stability of carbanions opposite of carbocations?

Nope, Tertiary carbanions are the most stable. Just as with carbocations the order of stability is 3>2>1.

 

[futuredent22]

Nope, Tertiary carbanions are the most stable. Just as with carbocations the order of stability is 3>2>1.

That is wrong. Carbanion stability is opposite that of carbocations. Review your ochem book if you are unsure about it.

Also, just think about it. Carbocations are stabilized in 3 prime because of electron donating via hyperconjugation. For a carbanion to be stable it will want just the opposite: no electron donating.

 

[akirar]

That is wrong. Carbanion stability is opposite that of carbocations. Review your ochem book if you are unsure about it.

Also, just think about it. Carbocations are stabilized in 3 prime because of electron donating via hyperconjugation. For a carbanion to be stable it will want just the opposite: no electron donating.

He/she is probably right. I was thinking of alkyl radical stability. I dont think I have come across a problem involving carbanion stability. But the above posters reasoning sounds solid. Sorry for any confusion.

 

[PooyaH]

That is wrong. Carbanion stability is opposite that of carbocations. Review your ochem book if you are unsure about it.

Also, just think about it. Carbocations are stabilized in 3 prime because of electron donating via hyperconjugation. For a carbanion to be stable it will want just the opposite: no electron donating.

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