MCQ
Most stable carbocation among following is
  • A

  • B


  • D

Answer

Correct option: C.

c

Need a full question paper?

Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

Start Generating Free

Similar questions

The $\alpha $-particle scattering experiment of Rutherford concluded that
The hypothetical reaction : $2A + B \to C + D$ is catalyzed by $E$ as indicated in the possible mechanism below -

Step$-1$ : ${\text{A  +  E }} \rightleftharpoons AE$ (fast)

Step$-2$ :${\text{AE  +  A }} \to {A_2} + E$ (slow)

Step$-3$ :${{\text{A}}_2}{\text{ +  B }} \to {\text{D}}$ (fast)

what rate law best agrees with this mechanism

When succinic acid is heated, product formed is
The potential energy of an electron in the hydrogen atom is $-6.8\,\,eV$. Indicate in which excited state, the electron is present
The compounds that will give an isomer of  $2; 2-$ dimethyl propane on catalytic hydrogenation are

$(1)$ $\begin{array}{*{20}{c}}
  {C{H_3}CH = C - C{H_3}} \\ 
  {\,\,\,\,\,\,\,\,\,\,|} \\ 
  {\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,C{H_3}} 
\end{array}$

$(2)$ $C{H_3}CH = CHC{H_3}$

$(3)$ $\mathop {C{H_3}C}\limits^{\begin{subarray}{l} 
  \,\,\,\,\,\,\,\,{\begin{array}{*{20}{c}}
  {}&H 
\end{array}} \\ 
  \,\,\,\,\,\,\,\,\,\,\,\,\,\,| 
\end{subarray} }  = CHC{H_2}C{H_3}$

$(4)$ $\begin{array}{*{20}{c}}
  {C{H_3}C = C - C{H_3}} \\ 
  {\,\,\,\,\,\,\,|\,\,\,\,\,\,\,\,\,\,\,\,|\,\,\,\,\,\,\,\,\,\,\,\,\,} \\ 
  {\,\,\,\,\,\,\,\,\,\,\,\,\,C{H_{3\,\,}}\,\,C{H_3}\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,} 
\end{array}$

$Mn\mathop {O_4^{ - 1}}\limits_{(aq)} \, + \,8\mathop {{H^ + }}\limits_{(aq)} \, + \,5{e^ - }\, \to \, M{n^{ + 2}}(aq)\, + \,4{H_2}O(l)\,;$ $E_1^o\, = \,1.51\,\,V$

$Mn{O_2}(s)\, + \,4{H^ + }(aq)\, + \,2{e^ - }\, \to \, M{n^{ + 2}}(aq)\, + \,2{H_2}O(l)\,;$ $E_2^o\, = \,1.21\,\,V$

$MnO_4^{ - 1}(aq)\, + \,4{H^ + }(aq)\, + \,3{e^ - }\, \to \, Mn{O_2}(s)\, + \,3{H_2}O(l)\,;$ $E_3^o\,?$

value of $E_3^o$ will be ............ $\mathrm{V}$

 $(A)$ will be
In the following compounds, the decreasing order of basic strength will be
The azo-dye $(\mathrm{Y})$ formed in the following reactions is Sulphanilic acid $+\mathrm{NaNO}_2+\mathrm{CH}_3 \mathrm{COOH} \rightarrow \mathrm{X}$
Molecularity of reaction of inversion of sugar is