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due to hypercongugation
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Does rearrangement of carbocation take place in Lucas test?
Yes, the organization of carbocation does take place in a Lucas test. Tertiary carbocations are the most stable; while primary carbocations are the most reactive.
Which is the most stable carbocation?
Allyl Carbocation.
What is the mechanism for the reaction of triphenylmethanol with HBr?
Has to be a simple SN1 reaction. tertiary carbocation, very very stable due to three phenyl groups and very bulky.
Will IPA react with HCL?
Not likely as ipa is a secondary alcohol and will not form as stable a carbocation as tertiary alcohols such as tert-butyl alcohol in this SN1 first order nucleophilic substitution reaction. However, ZnCl2 would facilitate the formation of the carbocation with ipa and the nucleophile (Cl-) could then attack with the subsequent formation of the alkyl halide.
Why tertiary carbonium ions are more stable than the primary and secondary carbonium ions?
because they are. Knowwhatamsaying I would say its mainly due to the fact that that tertiary have more alkyle group (CH3) thus its more stable. Primary has one secondary has two and tertiary 3 (see a patern there)
Which is the most stable carbocation?
Allyl Carbocation.
Does rearrangement of carbocation take place in Lucas test?
Yes, the organization of carbocation does take place in a Lucas test. Tertiary carbocations are the most stable; while primary carbocations are the most reactive.
What is the mechanism for the reaction of triphenylmethanol with HBr?
Has to be a simple SN1 reaction. tertiary carbocation, very very stable due to three phenyl groups and very bulky.
Why Benzyl carbocation more stable than phenylethyl carbocation?
Stabilization of a carbocation can also be accomplished by reasonance. If the cationic carbon is adjacent to an unsaturated system, the positive charge can be delocalized over adjacent atoms resulting in greater stability of the carbocation. Thus, the carbocations showing resonance are far more stable than those in which the resonance is not flesible.
Is it possible for all reactions which have a carbocation intermediate to undergo rearrangement reaction to get a more stable cation?
No, in general
Why tertiary alcohol is more reactive?
Tertiary alcohols are also bonded to three other carbon atoms (whereas secondary alcohols are bonded to two, primary alcohols to one). These other carbon atoms share their electronegative charges with the middle carbon.
Will IPA react with HCL?
Not likely as ipa is a secondary alcohol and will not form as stable a carbocation as tertiary alcohols such as tert-butyl alcohol in this SN1 first order nucleophilic substitution reaction. However, ZnCl2 would facilitate the formation of the carbocation with ipa and the nucleophile (Cl-) could then attack with the subsequent formation of the alkyl halide.
Why tertiary carbonium ions are more stable than the primary and secondary carbonium ions?
because they are. Knowwhatamsaying I would say its mainly due to the fact that that tertiary have more alkyle group (CH3) thus its more stable. Primary has one secondary has two and tertiary 3 (see a patern there)
Why is tertiary amine more stable than ethanol?
Tertiary amines have alkyl groups around the central atom (nitrogen) while ethanol has hydrogen atoms and one hydroxyl group around the carbon atoms. As a result, ethanol is more prone to attack by other groups while in tertiary amines, stearic hindrance doesn't allow attack of incoming groups. So, tertiary amines are more stable than ethanol.
What is test for carbocation?
A carbocation refers to a positively charged ion of the carbon atom. A test for carbocation helps in determining its stability.
What is Methyl carbocation isoelectronic with?
Methyl carbocation (CH3+) is isoelectronic with borane (BH3).
Is CO2 a carbocation?
It is a QUATERNARY carbocation, but very unreactive towards nucleophilic attacks.
