Consider the following carbocation:
(i) `Cl_(3)overset(+)C`
(ii) `Cl_(2)overset(+)CH` , (iii) `Cloverset(+)CH_(2)` , (iv) `overset(+)CH_(3)`The stability order is
A. `(iv)lt(i)lt(ii)lt(iii)`
B. `(i)lt(ii)lt(iii)lt(iv)`
C. `(iv)lt(i)lt(iii)lt(iii)`
D. `(iv)lt(iii)lt(ii)lt(i)`.

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Correct Answer - B
Cl due to its -I effect, further intensifies the + ve charge and this stabilizes the cations. As the number of Cl atoms increases, the stability further decreases.

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