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Which of the following is the most unlikely representation of resonance structures of p-nitrophenoxide?

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Important Questions on General Organic Chemistry

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The correct order of stability of various resonating structures of 1-methoxy-1,3-butadiene is:

(i) CH3-O-CH=CH-CH=CH2

(ii) CH3-O+=CH-C-H-CH=CH2

(iii) CH3-O+=CH-CH=CH-C-H2

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(a) H-C+=O..:H-CO+:

(b) C-H2-N+N..CH2=N+=N-

(c) CH3-C+H-O....HCH3-CH=O..+H

In which of the above pairs of resonance contributors, the structure on the right is an important contributor?

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The correct order of C-N bond length in the above compound is:

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Which of the following is the least-contributing structure of nitroethene?
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Which of the following is the most resonance stabilized?
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The correct order of C-Cl bond length in the given molecules is:

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