MCQ
The compound which gives the most stable carbonium on dehydration is
  • A
    $\begin{array}{*{20}{c}}
      {C{H_3} - CH - C{H_2}OH} \\ 
      {|\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,} \\ 
      {C{H_3}\,\,\,\,\,\,\,\,\,\,} 
    \end{array}$
  • $\begin{array}{*{20}{c}}{\,\,\,\,\,\,\,C{H_3}}\\|\\{C{H_3} - C - OH\,\,}\\|\\{\,\,\,\,\,\,C{H_3}}\end{array}$
  • C
    $C{H_3} - C{H_2} - C{H_2} - C{H_2}OH$
  • D
    $\begin{array}{*{20}{c}}
      {C{H_3} - CH - C{H_2} - C{H_3}} \\ 
      {|\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,} \\ 
      {OH\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,} 
    \end{array}$

Answer

Correct option: B.
$\begin{array}{*{20}{c}}{\,\,\,\,\,\,\,C{H_3}}\\|\\{C{H_3} - C - OH\,\,}\\|\\{\,\,\,\,\,\,C{H_3}}\end{array}$
b
It’s Obvious.

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

Which of the following is non-conducting ?
 is converted into  by:
What is the final product $(B)$ of this sequence
At room temperature, disproportionation of an aqueous solution of in situ generated nitrous acid $\left( HNO _2\right)$ gives the species
Stereochemistry of the product is
Method by which lyophobic sol can be protected.
At $25\,^oC$, the vapour pressure of pure liquid $A$ (mol. $wt. = 40$) is $100\, torr$, while that of pure liquid $B$ (mol.$wt. = 80$) is $40\,torr$. The vapour pressure at $25\,^oC$ of a solution containing $20\,gm$ of each $A$ and $B$ is .......... $torr$.
Consider the reaction

$(i)\,\,(CH_3)_2CH-CH_2Br \xrightarrow{{{C_2}{H_5}OH}} (CH_3)_2CH-CH_2OC_2H_5 + HBr$

$(ii)\,\,(CH_3)_2CH-CH_2-Br \xrightarrow{{{C_2}{H_5}{O^- }}} (CH_3)_2CH-CH_2OC_2H_5 + Br^-$

The mechanisms of reaction $(i)$ and $(ii)$ are respectively

$C_6H_6$ $\xrightarrow[AlC{{l}_{3}}]{\begin{matrix}
   \,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,O  \\
   \,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,||  \\
   {{(C{{H}_{3}})}_{2}}CH-C-Cl  \\
\end{matrix}}$  $\xrightarrow[reduction]{Clemmensen}$  $\xrightarrow[AlC{{l}_{3}}]{\begin{matrix}
   \,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,O\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,  \\
   \,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,||\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,  \\
   C{{H}_{3}}-C-Cl  \\
\end{matrix}}$ $\xrightarrow[{{H}_{3}}{{O}^{\oplus }}]{\operatorname{Re}d\,\,\,P\,+\,HI}$ (Ibuprofen)

Ibuprofen is 

If $0.5\,amp$ current is passed through acidified silver nitrate solution for $10 $ minutes. The mass of silver deposited on cathode, is ........... $\mathrm{g}$ (eq. wt. of silver nitrate $= 108$)