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In the nitration of benzene using a mixt...

In the nitration of benzene using a mixture of conc. `H_2SO_4` and conc. `HNO_3`, the species which initiates the reaction is _______________ .

A

`NO_2`

B

`NO^(+)`

C

`NO_(2)^(+)`

D

`NO_(2)^(-)`

Text Solution

Verified by Experts

The correct Answer is:
C
Nitration of benzene is an electrophilic substitution reaction. The electrophile which attacks the benzene ring in this reaction is nitronium ion `(NO_(2)^(+)`).
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ICSE-ORGANIC COMPOUNDS CONTAINING NITROGEN-EXERCISE (PART-I OBJECTIVE QUESTIONS)
  1. Methylamine reacts with HNO2 to form

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  2. The gas evolved when methylamine reacts with nitrous acid is….

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  3. In the nitration of benzene using a mixture of conc. H2SO4 and conc. H...

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  4. Reduction of aromatic nitro compounds using Fe and HCl gives .

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  5. The most reactive amine towards dilute hydrochloric acid is .

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  6. Acid anhydrides on reaction with primary amine gives…

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  7. The reaction Aroverset(+)N(2)Cl^(-) overset(Cu//HCl)to ArCl +N(2) + ...

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  8. Best method for preparing primary amines from alkyl halides without ch...

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  9. Which of the following compounds will not undergo azo coupling reactio...

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  10. Which of the following compounds is the weakest Bronsted base?

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  11. Among the following amines, the strongest Bronsted base is….

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  12. The correct decreasing order of basic strength of the following specie...

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  13. Which of the following should be most volatile ?

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  14. Which of the following methods of preparation of amines will not give ...

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  15. Gabrial synthesis is used for the preparation of

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  16. Nitrosoamines are formed byunderline(" primary amines").

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  17. Pure primary amines underline("can be prepared ")by the action of ammo...

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  18. Amides on treatment with Br2 and KOH form the amines having the underl...

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  19. There are three underline ("position isomers ")of the amine having mol...

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  20. Trimethylamine is less basic than dimethylamine.

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