Which of the following is least stable ?
Which of the following is least stable ?
A. `CH_(3)-CH_(2)-overset(+)CH_(2)`
B. `CH_(3)-overset(+)CH-CH_(2)-CH_(3)`
C. `CH_(3)-overset(+)underset(CH_(3))underset(|)C-CH_(3)`
D. `CH_(3)-overset(CH_(3))overset(|)underset(CH_(3))underset(|)C-overset(+)CH-C_(6)H_(5)`
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Correct Answer - A
`A" "1^(@)` carbocation is least stable.
`underset(A" "1^(@) "carbocation")underset()(CH_(3)-CH_(2)-overset(+)CH_(2))`
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