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Which one of the following statements is...

Which one of the following statements is correct?

A

Cyclohexadiene is an aromatic compound

B

Deactivating groups are ortho and para directing groups

C

Reaction of benzene with 1-chloro propane and anhydrous `AlCl_3` gives n propylbenzene

D

Electrophilic substitution of benzene takes place via `sigma`-complex

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The correct Answer is:
D
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AAKASH SERIES-AROMATIC HYDROCARBONS-OBJECTIVE EXERCIES - 2 (BENZENE)
  1. Among the following compounds, which are not aromatic ?

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  2. Deactivating nature and o- ,p- directing nature of halogens can be exp...

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  3. CaC(2) + 2H(2)Orarr X CH3 - CH(2) Cl overset("alc" KOH) rarr Y, X o...

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  4. C6H6 easily shown

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  5. LIST - 1 (Conversion) A) Benzene to Cyclohexane B) Ethylene to For...

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  6. Ozonolysis of one mole of benzene gives

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  7. Ethyl benzene with Br2 in the presence of FeBr3 gives

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  8. Cyclohexene adds one mole of H2, where the enthalpy of hydrogenation i...

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  9. Regarding Benzene some statements are given A) It is aromatic B) I...

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  10. Which of the following is not an aromatic compound

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  11. Sodium benzoate gives Benzene on being heated with 'X'. Phenol gives B...

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  12. The major product in the reaction of benzene with n-propyl chloride in...

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  13. Which of the following species is aromatic?

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  14. Characterisitc reactions of benzene are A) addition reactions B) s...

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  15. Although benzene is highly unsaturated it does not undergo addition re...

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  16. Benzene on ozonolysis followed by reaction with Zn and H2O gives 3 mol...

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  17. Which one of the following statements is correct?

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  18. A miscible mixture of C6H6 + CHCl3 can be separated by

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  19. Electrophile that participates in nitration of benzene is

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  20. Identify X and Y in the following reactions

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