MCQ
Strongest nucleophile is
  • A

  • B


  • D
    $\begin{matrix}
       O  \\
       ||  \\
       C{{H}_{3}}-C-\overset{\overset{\circleddash }{\mathop{\centerdot \,\,\centerdot }}\,}{\mathop{C}}\,{{H}_{2}}  \\
    \end{matrix}$

Answer

Correct option: C.

c
The stability of carbocation can be described by the hyperconjugation. Greater the extent of hyperconjugation, more is the stability of carbocation.

$Image$

Stability order of carbocations $=(3)>(1)>(4)>(3)$

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Similar questions

Consider the following elements.

Which of the following is/are true about $\mathrm{A}^{\prime}, \mathrm{B}^{\prime}, \mathrm{C}^{\prime}$ and $\mathrm{D}^{\prime}$ ?

$A$. Order of atomic radii: $\mathrm{B}^{\prime}<\mathrm{A}^{\prime}<\mathrm{D}^{\prime}<\mathrm{C}^{\prime}$

$B$. Order of metallic character: $\mathrm{B}^{\prime}<\mathrm{A}^{\prime}<\mathrm{D}^{\prime}<\mathrm{C}^{\prime}$

$C$. Size of the element : $\mathrm{D}^{\prime}<\mathrm{C}^{\prime}<\mathrm{B}^{\prime}<\mathrm{A}^{\prime}$

$D$. Order of ionic radii : $\mathrm{B}^{\prime+}<\mathrm{A}^{\prime+}<\mathrm{D}^{\prime+}<\mathrm{C}^{\prime+}$

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