Which of the following statements is not true about resonance?

  • A
    The resonating structures are hypothetical.
  • B
    The number of unpaired electrons in various resonating structures is the same.
  • C
    The resonance hybrid structure is the most energetic.
  • D
    The resonance hybrid structure is the least energetic.

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Provide the Lewis dot resonance structures of nitrogen oxides and give information about their shapes and bond parameters.

Difficult
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The correct statement$(s)$ about $O_3$ is (are)
$A$. $O-O$ bond lengths are equal.
$B$. Thermal decomposition of $O_3$ is endothermic.
$C$. $O_3$ is diamagnetic in nature.
$D$. $O_3$ has a bent structure.

Give rules for writing resonance structures.

Which of the following cations is more stable?

Explain why the following two structures,$I$ and $II$,cannot be the major contributors to the real structure of $CH_{3}COOCH_{3}$.
$I: CH_{3}-C^{+}(O^{-})-OCH_{3}$
$II: CH_{3}-C(=O^{-})-OCH_{3}^{+}$

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