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Which of the following molecule/species is most stable?

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Important Questions on Some Basic Principles of Organic Chemistry

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Chemistry>Organic Chemistry>Some Basic Principles of Organic Chemistry>Aromaticity
Among the following compounds, the compound which shows the highest dipole-moment is

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MEDIUM
Chemistry>Organic Chemistry>Some Basic Principles of Organic Chemistry>Aromaticity

Which of the following structures are aromatic in nature?

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Chemistry>Organic Chemistry>Some Basic Principles of Organic Chemistry>Aromaticity
Which of the following compounds is not aromatic?
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Chemistry>Organic Chemistry>Some Basic Principles of Organic Chemistry>Aromaticity
Which among the following is the strongest acid?
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Chemistry>Organic Chemistry>Some Basic Principles of Organic Chemistry>Aromaticity

Among the following sets, the most stable ionic species are

 

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Chemistry>Organic Chemistry>Some Basic Principles of Organic Chemistry>Aromaticity
Among the following, the aromatic compound is
MEDIUM
Chemistry>Organic Chemistry>Some Basic Principles of Organic Chemistry>Aromaticity
Identify the non-aromatic system from among the given options.
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Chemistry>Organic Chemistry>Some Basic Principles of Organic Chemistry>Aromaticity
Which of the following has highest knocking effect in IC engine?
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Chemistry>Organic Chemistry>Some Basic Principles of Organic Chemistry>Aromaticity
Which of the following compounds is most reactive to an aqueous solution of sodium carbonate?
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Chemistry>Organic Chemistry>Some Basic Principles of Organic Chemistry>Aromaticity
Statement I   Question Image undergo dehydration more easily to give Question Imageas a minor product and Question Image as a major product.

Statement II    Question Image  is ​a non aromatic compound while Question Image is an aromatic compound.
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Chemistry>Organic Chemistry>Some Basic Principles of Organic Chemistry>Aromaticity
Which of the following species could be expected to exhibit aromatic character?


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Select the correct answer from the following
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Chemistry>Organic Chemistry>Some Basic Principles of Organic Chemistry>Aromaticity
Which of the following is anti-aromatic in nature?
HARD
Chemistry>Organic Chemistry>Some Basic Principles of Organic Chemistry>Aromaticity
Identify the compound which is not aromatic.
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Chemistry>Organic Chemistry>Some Basic Principles of Organic Chemistry>Aromaticity
Which of the following does not represent a correct pair of aromatic species?
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Chemistry>Organic Chemistry>Some Basic Principles of Organic Chemistry>Aromaticity

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 Product B and intermediate involved in the reaction are stated as

A.  Product is Question Image and intermediate is  Question Image

B. Product is Question Image and intermediate is  Question Image

C. Product is aromatic and intermediate is non-aromatic.

D. Product is non-aromatic and intermediate is aromatic.

Which of the above are true, choose the most correct option

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Chemistry>Organic Chemistry>Some Basic Principles of Organic Chemistry>Aromaticity
Consider the aromatic behaviour of the following molecules.

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How many from the above are aromatic?
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Chemistry>Organic Chemistry>Some Basic Principles of Organic Chemistry>Aromaticity
Which of the following is the correct order of stability of the given compounds?

I.Question Image

II.Question Image

III.Question Image
MEDIUM
Chemistry>Organic Chemistry>Some Basic Principles of Organic Chemistry>Aromaticity
Among the following which is correct?
HARD
Chemistry>Organic Chemistry>Some Basic Principles of Organic Chemistry>Aromaticity
Which of the following compound is not aromatic?
MEDIUM
Chemistry>Organic Chemistry>Some Basic Principles of Organic Chemistry>Aromaticity

Which of the following compound is aromatic?