1.

Relative stabilities of the following carbocations will be in the order `{:(overset(o+)(C)H_(3),CH_(3)overset(o+)(CH_(2)),overset(o+)(C)H_(2)OCH_(3),),((i)," "(ii)," "(iii),):}`A. `(iii) gt (ii) gt (i)`B. `(iii) lt (ii) lt (i)`C. `(ii) gt (iii) gt (i)`D. `(iii) gt (i) gt (ii)`

Answer» Correct Answer - A
The dispersal of the charge stabilizes the carbocation. More the number of alkyl groups, the greater the dispersal of positive charge and there fore, more the stability of carbocation, thus `overset(+)(C_(2))H_(5) gt overset(+)(C)H_(3). -OCH_(3)` is an electron donating group, thus it will increases the stability of carbocation, hence the expected order is,
`(iii) gt (ii) gt (i)`.


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