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Which of the following statements is NOT...

Which of the following statements is NOT correct?

A

The six carbons in benzene are `sp^(2)` hybridised

B

benzene has `(4pi+2)pi` electrons

C

Benzene undergoes substitution reactions

D

Benzene has two carbon-carbon bond lengths, `1.54A^(0) and 1.34A^(0)`

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The correct Answer is:
D
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AAKASH SERIES-AROMATIC HYDROCARBONS-PRACTICE EXERCISE
  1. The C-C bond lengths in benzene is

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  2. The increase in stability and decrease in energy of aromatic compoun...

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  3. Under pressure, (with hydrogen) in presence of nickel catalyst, benze...

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  4. The function of anhydrous AlCl(3) in the Friedel-Crafts reaction is to

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  5. In Huckel's (4n+2) rule of for aromaticity, 'n' represents

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  6. Ratio of pi to sigma bonds in benzene is

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  7. Aromatic compounds undergo

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  8. In which of the following the bond length between carbon and carbon at...

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  9. Benzene reacts with H(2)SO(4) only when the acid is

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  10. Which one of the following is benzene ring activating group towards el...

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  11. Nitrobenzene can be preapred from Benzene by using a mixture of HNO(3)...

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  12. Presence of nitro group in benzene makes further substitution

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  13. CaC(2)overset(H(2)O) to A overset("Red hot tube") to B underset(CH(3)C...

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  14. The following group causes high -I effect

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  15. Aromatic compounds undergo most easily

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  16. The ozonolysis product of benzene and compound 'A' are same. Empirical...

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  17. Carbon - carbon bond length of 139 pm is observed in the molecule

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  18. Which of the following statements is NOT correct?

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  19. (A) : -NH(2) group of aniline is ortho, para directing in electrophili...

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  20. Which one of the following gives sooty flame on combution?

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