H NH2 NH2 CH .CH H2N H. H3C H. A B C CH H3C H2N H. NH2 H3C CH3 E Rank these structures according to the nominal oxidation state of the carbon highlighted in red. Set the lowest (most negative) oxidation state as Rank 1 and and the highest (most positive) oxidation state as Rank 6. V B
Reactive Intermediates
In chemistry, reactive intermediates are termed as short-lived, highly reactive atoms with high energy. They rapidly transform into stable particles during a chemical reaction. In specific cases, by means of matrix isolation and at low-temperature reactive intermediates can be isolated.
Hydride Shift
A hydride shift is a rearrangement of a hydrogen atom in a carbocation that occurs to make the molecule more stable. In organic chemistry, rearrangement of the carbocation is very easily seen. This rearrangement can be because of the movement of a carbocation to attain stability in the compound. Such structural reorganization movement is called a shift within molecules. After the shifting of carbocation over the different carbon then they form structural isomers of the previous existing molecule.
Vinylic Carbocation
A carbocation where the positive charge is on the alkene carbon is known as the vinyl carbocation or vinyl cation. The empirical formula for vinyl cation is C2H3+. In the vinyl carbocation, the positive charge is on the carbon atom with the double bond therefore it is sp hybridized. It is known to be a part of various reactions, for example, electrophilic addition of alkynes and solvolysis as well. It plays the role of a reactive intermediate in these reactions.
Cycloheptatrienyl Cation
It is an aromatic carbocation having a general formula, [C7 H7]+. It is also known as the aromatic tropylium ion. Its name is derived from the molecule tropine, which is a seven membered carbon atom ring. Cycloheptatriene or tropylidene was first synthesized from tropine.
Stability of Vinyl Carbocation
Carbocations are positively charged carbon atoms. It is also known as a carbonium ion.
![Energy & Life
5. Below, six compounds labeled A - F are shown.
H.
NH2
NH2
.CumH
H.
H.
H3C
H2N
A
H.
.C
H;C
H.
H2N
NH2
H3C
CH3
F
Rank these structures according to the nominal oxidation state of the carbon highlighted in red.
Set the lowest (most negative) oxidation state as Rank 1 and and the highest (most positive) oxidation state as Rank 6,
vB
D
E](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Ffd303584-3b35-48e8-acc9-a84c883729fd%2Fc8206e4a-1b6a-4c59-a51d-4c99345f0c3d%2Fh8q1at_processed.jpeg&w=3840&q=75)
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