MCQ
Which of the following is/are aromatic
- AOnly $a$
- B$b, c$
- C$a, b,c$
- ✓All
✓
Answer
Correct option: D.
All
d
All of the following cyclic, plannar, conjugated compounds following Huckel rule.
All of the following cyclic, plannar, conjugated compounds following Huckel rule.
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
The equlilibrium constant for the following general reaction is $10^{30}$ . Calculate $E^o$ for the cell at $298\,K$ ............ $\mathrm{V}$
→$2X_2(s) + 3Y^{2+} (aq) \to 2X_2^{3+}(aq) + 3Y(s)$
The products $\mathrm{A}$ and $\mathrm{B}$ formed in the following reaction scheme are respectively
→One mole of a symmetrical alkene on ozonolysis gives two moles of an aldehyde having a molecular mass of $44\, u.$ The alkene is
→Identify correct acidic strength order ?
The orbital pictute of a triplet carbene can be drawn as
Which of the following order of atomic radius is not wrong
The correct statement about the synthesis of erythritol $(C(CH_2OH)_4)$ used in the preparation of $PETN$ is
→$\begin{array}{*{20}{c}}
{O\,\,\,\,\,\,\,\,\,\,\,\,\,\,} \\
{||\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,} \\
{C{H_3} - C - O - {C_2}{H_5}}
\end{array}$ $\xrightarrow{{{H_2}N - N{H_2}}}X$; $\begin{array}{*{20}{c}}
{\,\,\,\,\,\,\,O\,\,\,\,\,\,\,\,\,\,} \\
{\,\,\,\,\,\,\,\,||\,\,\,\,\,\,\,\,\,\,\,} \\
{C{H_3} - C - {C_2}{H_5}}
\end{array}$ $\xrightarrow{{{H_2}N - N{H_2}}}Y$
→{O\,\,\,\,\,\,\,\,\,\,\,\,\,\,} \\
{||\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,} \\
{C{H_3} - C - O - {C_2}{H_5}}
\end{array}$ $\xrightarrow{{{H_2}N - N{H_2}}}X$; $\begin{array}{*{20}{c}}
{\,\,\,\,\,\,\,O\,\,\,\,\,\,\,\,\,\,} \\
{\,\,\,\,\,\,\,\,||\,\,\,\,\,\,\,\,\,\,\,} \\
{C{H_3} - C - {C_2}{H_5}}
\end{array}$ $\xrightarrow{{{H_2}N - N{H_2}}}Y$
$X$ and $Y$ are
Which of the following equation is incorrect written?
What is $X$ in the following reaction?
→