MCQ
The most stable resonating structure is
- ✓

- B

- C

- D






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$(ii) $ An acid is an electron pair acceptorThe above statements $(i) $ and $(ii)$

Given : Mass of electrons $=9.1 \times 10^{-31}\, \mathrm{~kg}$
Charge on an electron $=1.6 \times 10^{-19}\, \mathrm{C}$
Planck's constant $=6.63 \times 10^{-34\,} \mathrm{Js}$
$A$. Compound ' $B$ ' is aromatic
$B$. The completion of above reaction is very slow
$C$. '$A$' shows tautomerism
$D$. The bond lengths $C - C$ in compound $B$ are found to be same
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