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Hyckel's number for benzene is...

Hyckel's number for benzene is

A

12

B

6

C

1

D

3

Text Solution

Verified by Experts

The correct Answer is:
B
Hyckel's number is equal to the number of deloxalized `pi` electrons.
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R SHARMA-AROMATIC HYDROCARBONS-Question Bank
  1. One mole of benzene is treated with an excess of ozone and the product...

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  2. Benzene's extraordinary stability is related to

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  3. Hyckel's number for benzene is

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  4. Which of the following shows that benzene differs chemically from an o...

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  5. Benzene forms a single C(6)H(5)Br product when it is monobrominated be...

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  6. How many pi electrons are present in the cyclopentadienyl anion C(5)H(...

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  7. What is the correct decreasing order of resonance energies stabilities...

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  8. Which of the following isomers of benzene has sixx equivalent H atoms?

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  9. Thre resonance energy of benzene is approximately

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  10. How many trichloro derivatives of benzene are possible?

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  11. How many trinitrotoluenes are possible?

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  12. Which of the followngis incorrect?

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  13. Which of the following molecules shows aromatic character?

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  14. Benzene reacts with methyl chloride in the presence of anhydrous alumi...

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  15. In the sulphonation of benzene, the active electrophilic species is

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  16. Benzne can be obtained by heating either benzoic acid with X or phenol...

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  17. Which of the following compounds will show sromatic character?

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  18. Benzne reacts with sulphuric acid to form benzenesulphonic acid, only ...

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  19. 3-chloro-4-methylbenzenesulphinic acid reacts with superheated steam t...

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  20. Which of the following fraction obtained from coal tar yields anthrace...

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