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Which of the following compound is aromatic?

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Important Questions on Organic Chemistry- Some Basic Principles and Techniques

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Which compound amongst the following is not an aromatic compound?

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Which of the following structures are aromatic in nature?

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HARD

With respect to the compounds I-V choose the correct statement(s).

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Which of the following has highest knocking effect in IC engine?
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Identify the non-aromatic system from among the given options.
HARD
The correct order of acidity for the following compounds is :
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Among the following sets, the most stable ionic species are

 

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Among the following compounds, the compound which shows the highest dipole-moment is

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HARD
Among P, Q, R and S, the aromatic compound(s) is/are

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The correct order for acid strength of compounds CHCH,CH3-CCH and CH2=CH2 is as follows:
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The correct statement regarding the basicity of aryl amines is:
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The compounds pyridine and planar cyclooctatetraene are ............. respectively.
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Which one of the following is a benzenoid aromatic compound?
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Which of the following compounds is most reactive to an aqueous solution of sodium carbonate?