MCQ
Most stable carbanion is
- A$CH_3^ - $
- B$C{H_3}CH_2^ - $
- ✓
- D
✓
Answer
Correct option: C.
c
(c) Due to $NO_2$ group in benzene ring,
(c) Due to $NO_2$ group in benzene ring,
This is most stable carbanion.
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 sum of oxidation state of the metals in $Fe ( CO )_5, VO ^{2+}$ and $WO _3$ is $.........$.
→The outer electronic structure $3{s^2}3{p^5}$ is possessed by
→$1.1\,mole$ of $A$ are mixed with $2.2\,moles$ of $B$ and the mixture is kept in a $1\,L$ vessel till the equilibrium is established in the reaction. If the molar conc. of $C$ at the equilibrium point is $0.2\,M$ then the value of equilibrium constant for the reaction
→$A + 2B \rightleftharpoons 2C + D$
The dependence of Gibbs free energy on pressure for an isothermal process of an ideal gas is given by
Which one of the following sets of ions represents the collection of isoelectronic species
$Ph - CH = CH - Ph\,\xrightarrow[{CC{l_4}}]{{C{l_2}}}X\xrightarrow{{2NaN{H_2}}}Y\xrightarrow[{BaS{O_4}}]{{{H_2} + Pd}}Z$
→Product $Z$ is
According to Avogadro's law the volume of a gas will $ ........ $ as $ ....... $ if $ ......... $ are held constant :
→On heating a mixture of sodium benzoate and sodalime, the following is obtained
From the following bond energies :
→| $H - H$ bond energy | $:\, 431.37 \,kJ\, mol^{-1}$ |
| $C= C$ bond energy | $:\, 606.10\, kJ \,mol^{-1}$ |
| $C - C$ bond energy | $:\, 336.49\, kJ\, mol^{-1}$ |
| $C - H$ bond energy | $:\, 410.50\, kJ\, mol^{-1}$ |
Enthalpy for the reaction,
$\begin{array}{*{20}{c}}
{H\,\,\,\,H} \\
{|\,\,\,\,\,\,\,\,|} \\
{C = C} \\
{|\,\,\,\,\,\,\,\,\,|} \\
{H\,\,\,\,H}
\end{array}\, + \,H - H\, \to \,\begin{array}{*{20}{c}}
{H\,\,\,\,H} \\
{|\,\,\,\,\,\,\,\,|} \\
{H - C - C - H} \\
{|\,\,\,\,\,\,\,\,\,|} \\
{H\,\,\,\,H}
\end{array}\,$
will be .............. $\mathrm{kJ \,mol}^{-1}$
Which of the following shape can not be obtained from trigonal bipyramidal geometry