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The decreasing order of stability of the...

The decreasing order of stability of the following cations is
`underset(I)(CH_(3)overset(+)(C)H_(2))`, `underset(II)(H_(2)C=overset(+)(C)H)`, `underset(III)(H-C-=overset(+)(C))`, `underset(IV)(H_(3)C-overset(+)(C)=0)`

A

`IgtIIIgtIIgtIV`

B

`IVgtIIIgtIIgtI`

C

`IIIgtIVgtIIgtI`

D

`IIgtIgtIIIgtIV`

Text Solution

Verified by Experts

The correct Answer is:
B
`IV` is most stable as it has resonance stability

For others, greater the `s`-character of carbon of nitrogen stabilise the carbocation.
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