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Resonance

H 3 P O 3 can...

Question

$H_{3} P O_{3}$ 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 $H_{3} P O_{3}$ ? If not, give reasons for the same.

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Solution

The given structures cannot be taken as the canonical forms of the resonance hybrid of $H_{3} P O_{3}$ because the positions of the atoms have changed.

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