MCQ
Correct stability order of the given tautomers is
  • A
    $I > II > III$
  • B
    $III > II > I$
  • C
    $II > I > III$
  • D
    $II > III > I$

Answer

is unstable due to angle strain

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 electronic configuration of the element which is just above the element with atomic number $43$ in the same periodic group is
$\begin{array}{*{20}{c}}
  {C{H_2} - CH_2} \\ 
  {|\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,|\,\,\,\,\,\,} \\ 
  {Cl\,\,\,\,\,\,\,\,\,\,\,Cl\,\,\,\,} 
\end{array}$ $\xrightarrow[{(ii)NaN{H_2}}]{{(i)Alc.KOH}}A\xrightarrow{{\operatorname{Re} d\,hot\,Fe\,tube}}B$ 

Identify product $B$ in above reaction sequence

In the thermite process the reducing agent is
For a certain reaction the expression for half life is $t \propto \frac{1}{{{a^{n - 1}}}}$ then the order of reaction is
Total number of aromatic compounds among the following compounds is. . . . . . . .
The pair of species that has the same bond order in the following is
Principal, azimuthal and magnetic quantum numbers are respectively related to
The value of one Faraday is .............. ${\rm{C}}\,{\rm{mo}}{{\rm{l}}^{ - 1}}$
The reaction $Pb \left( NO _3\right)_2$ and $NaCl$ in water produces a precipitate that dissolves upon the addition of $HCl$ of appropriate concentration. The dissolution of the precipitate is due to the formation of
The $IUPAC$ name of the following compound is

$\begin{array}{*{20}{c}}
  {{{(C{H_3})}_2}CH - C{H_2}CH = CH - CH - CHC{H_3}} \\ 
  {\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,|} \\ 
  {\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,{C_2}{H_5}} 
\end{array}$