MCQ
Identify the which can exhibit tautomerism ?
- A$I$ only
- B$II$ only
- C$III$ only
- ✓all of these
✓
Answer
Correct option: D.
all of these
d
$(d)\, \alpha -$ hydrogen attached to $sp^3$ carbon is present in all structures.
$(d)\, \alpha -$ hydrogen attached to $sp^3$ carbon is present in all structures.
Need a full question paper?
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
Explore more
Similar questions
$\begin{array}{*{20}{c}}
{Ph - C{H_2} - CH - C{H_3}\xrightarrow{{B{r_2}/hv}}} \\
{|\,\,\,\,\,\,\,\,\,\,} \\
{D\,\,\,\,\,\,\,\,\,\,}
\end{array}$
→{Ph - C{H_2} - CH - C{H_3}\xrightarrow{{B{r_2}/hv}}} \\
{|\,\,\,\,\,\,\,\,\,\,} \\
{D\,\,\,\,\,\,\,\,\,\,}
\end{array}$
Product of the above reaction will be
The compound($s$) with $TWO$ lone pairs of electrons on the central atom is(are)
→($A$) $\mathrm{BrF}_5$ ($B$) $\mathrm{ClF}_3$ ($C$) $\mathrm{XeF}_4$ ($D$) $\mathrm{SF}_4$
The sulphide ion concentration $[{S^{2 - }}]$in saturated ${H_2}S$ solution is $1 \times {10^{ - 22}}.$ Which of the following sulphides should be quantitatively precipitated by ${H_2}S$ in the presence of dil. $HCl$
→$\begin{array}{|l|l|} \hline Product & Sulphide\,\,Solubility \\ \hline (I) & 1.74\,\,\times\,\,10^{-16} \\ \hline (II) & 1.2\,\,\times\,\,10^{-22} \\ \hline (III) & 8.2\,\,\times\,\,10^{-46} \\ \hline (IV) & 5.0\,\,\times\,\,10^{-34} \\ \hline \end{array}$
The following reaction take place in high yields.
Use your knowledge of alkene chemistry to predict a product even though you have never seen this reaction before
The solubility of $CuBr$ is $2 \times {10^{ - 4}}\,mol/l$ at $25\,^oC$. The ${K_{sp}}$ value for $CuBr$ is
→Which is correct for any $H-$ like species
→An element have atomic weight $40$ and it’s electronic configuration is $1{s^2}2{s^2}2{p^6}3{s^2}3{p^6}.$ Then its atomic number and number of neutrons will be
→In which among the following pair both the elements are metalloids?
The species that do not contain peroxide linkage are :-
From the following masses, the one which is expressed nearest to the milligram is