Which of the following conditions is not correct for resonating structures?
Which of the following conditions is not correct for resonating structures?
- A
The contributing structures must have the same number of unpaired electrons
- B
The contributing structures should have almost similar energies
- C
The contributing structures should be so written that unlike charges reside on atoms that are far apart
- D
The positive charge should be present on the electropositive element and the negative charge on the electronegative element
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${{\rm{H}}_3}{\rm{P}}{{\rm{O}}_3}$ can be represented by structure $1$ and $2$ shown below. Can these two structures be taken as the canonical forms of the resonance hybrid representing ${{\rm{H}}_3}{\rm{P}}{{\rm{O}}_3}$ ? If not, give reasons for the same.
${{\rm{H}}_3}{\rm{P}}{{\rm{O}}_3}$ can be represented by structure $1$ and $2$ shown below. Can these two structures be taken as the canonical forms of the resonance hybrid representing ${{\rm{H}}_3}{\rm{P}}{{\rm{O}}_3}$ ? If not, give reasons for the same.
Resonance is due to
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