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Home » can be represented by structures 1 and 2 shown below. Can these two structures be taken as the canonical forms of the resonance hybrid representing ? If not, give reasons for the same.
H _{3} PO _{3} can be represented by structures 1 and 2 shown below. Can these two structures be taken as the canonical forms of the resonance hybrid representing H _{3} PO _{3} ? If not, give reasons for the same.
CBSE | Chemical Bonding and Molecular Structure | Chemistry | Class 12 | NCERT Exemplar
H _{3} PO _{3} can be represented by structures 1 and 2 shown below. Can these two structures be taken as the canonical forms of the resonance hybrid representing H _{3} PO _{3} ? If not, give reasons for the same.

Solution:

The positions of the atoms remain constant in canonical forms, but the positions of the electrons change. The positions of atoms change in the given canonical forms. As a result, they cannot be considered canonical forms.

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