MCQ
Among the following, the least stable resonance structure is
- ✓
- B
- C
- D
✓
Answer
Correct option: A.
a
Among the given resonance structures, the least stable resonance structure is given by option (A) as there is minimum charge separation between the like charges which increase and decrease the stability.
Among the given resonance structures, the least stable resonance structure is given by option (A) as there is minimum charge separation between the like charges which increase and decrease the stability.
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
In the isoelectronic species the ionic radii $\mathop A\limits^o $ of $N^{3-}, O^{2-}$ and $F^-$ are respectively given by :-
→Calculate the enthalpy for the following reaction using the given bond energies $(KJ/mole)$ :-
→$(C-H= 414; H-O = 463; H-Cl=431;$$ C-Cl=326, C-O=335)$
$CH_3-OH(g) + HCl(g) \rightarrow CH_3-Cl(g) + H_2O(g)$
Conjugate acid of $HPO_4^{-2}$ is
→Assign $A, B, C, D$ from given type of reaction.
$NaN{O_3}\xrightarrow{\Delta }NaN{O_2} + {O_2}$
→In a closed container of $1000\, cm^3$, $2\, mol\, PCl_5$, $2\, mol\, PCl_3$ and $3\, mol\, Cl_2$ are found to be at equilibrium at $27\,^oC$. Then $K_P$ for $PCl_5(g) \rightleftharpoons PCl_3(g) + Cl_2(g)$ at $27\,^oC$ is .....$ atm$
→The order of screening effect of electrons of s, p, d and f orbitals of a given shell of an atom on its outer shell electrons is:
Which one of the following species has plane triangular shape ?
How many products will be formed in this reaction ?
On vigorous oxidation by permanganate solution ${(C{H_3})_2}C = CH - C{H_2}C{H_2}C{H_3}$ gives
→$log \,T$ vs $log \,V$ curve is plotted for an ideal gas, which is true for the gas?
→