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Resonance Effect

Which of the ...

Question

Which of the following resonating structure will contribute minimum to resonance hybrid?

A

I

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B

II

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C

III

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D

All structures contribute equally

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Solution

The correct option is C III
This resonating structure will contribute minimum to resonating structure because this structure is less stable as positive charge is present on an electronegative atom, i.e., oxygen, which makes the molecule less stable. Hence, less concentration to resonating structure.

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Similar questions

Q. In which of the following pairs of resonating structures first resonating structure is more contributing toward resonance hybrid than second?

Q. Which of the following statements is not true about the resonance contributing structures of a resonance hybrid?

Q. Which of the following statement is true about resonance.
(J) Resonance hybrid is always more stale than all contributing structures.

Q. From the following pairs, which has the first structure more contributing toward resonance hybrid than the second?

Q. Arrange the following resonating structure according to their contribution towards resonance hybrid?

(a) {C H}_{2} = \oplus N = ⊝ N

(b) ⊝ C H_{2} - N = \oplus N

(c) \oplus C H_{2} - N = ⊝ N

(d) ⊝ C H_{2} - \oplus N \equiv ¨ N

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