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Which of the following is not acceptable resonating structure of Buta--triene?
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Important Questions on Organic Chemistry- Some Basic Principles and Techniques
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The least and most stable resonating structures respectively are:
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Which will be the least stable resonating structure:
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(isocyanic acid) has following resonating structures:
The order of stability is:
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(isocyanic acid) has the following resonating structures:
The order of stability is:
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Which of the following resonating structure will contribute minimum to resonance hybrid?
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In each of the following pairs which ion is more stable:
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The mesomeric effect involves the delocalisation of:
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Which of the following groups show effect?:
