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The non aromatic compound among the foll...

The non aromatic compound among the following is -

A

B

C

D

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Verified by Experts

The correct Answer is:
A
Cyclopentadiene , i.e., option (a) contains only 4 `pi`-electrons and is also non-planar , therefore, it is non aromatic.
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PRADEEP-HYDROCARBONS-Competition Focus (JEE(main and advanced)/Medical Entrance) I. MULTIPLE CHOICE QUESTIONS
  1. Which of the following compounds are aromatic ?

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  2. Which is a non-aromatic compound

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  3. The non aromatic compound among the following is -

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  4. The radical is aromatic because it has

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  5. Which of the following is not aromatic

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  6. Cycloheptatrienyl cation is :

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  7. The most likely protonation site in the following molecule is

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  8. Which one of the following is an aromatic compound ?

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  9. The total number of aromatic species genetic the following reactions i...

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  10. Given : The enthalpy of hydrogenation of these compounds will be...

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  11. In reaction C6H5CH3overset"oxidation"to A overset"NaOH"to B overset"...

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  12. What is the electrophile when RCl + AlCl3 are used in Friedel-Crafts r...

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  13. In the given reaction, the product P is

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  14. The treatment of benzene with isobutene in the presence of sulphuric a...

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  15. When Friedel-Crafts alkylation of benzene is carried out with n-propyl...

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  16. Which of the following reactions would give isopropylbenzene as the ma...

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  17. Conversion of benzene to acetopheone can be brought by :

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  18. Reaction of benzene with Me3COCl in the presence of anhydrous AlCl3 gi...

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  19. Which of the following compounds will not undergo Friedel- Crafts reac...

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  20. The electrophile that participates in nitration of benzene is

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