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Nitration of benzene by nitric acid and ...

Nitration of benzene by nitric acid and sulphuric acid is

A

Electrophilic substitution

B

Electrophilic addition

C

Nucleophilic substitution

D

Free radical substitution

Text Solution

Verified by Experts

The correct Answer is:
A
As electrophile `NO_(2)^(+)`(nitronium ion) will attack over `e^-` rich benzene ring, hence it is electrophilic substitution reaction
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One of the completions A to D incoorect. Choose the letter corresponding to the incorrect completion. In the nitration of benzene by concetrated sulphuric and concentrated nitric acid

S-I: Nitration of benzene with nitric acid requires the use of concentrated sulphuric acid S-II: The mixture of concentrated sulphuric acid and concentrated nitric acid produces the electrophile, nitronium ion.

Sulphonation of benzene with excess sulphuric acid provides

Valence of sulphur in sulphuric acid is

Sulphurous Acid

In nitration of benzene by mixed acid the rate of reaction will be:

ERRORLESS-HYDROCARBONS-NCERT BASED QUESTION (AROMATIC HYDROCARBON)
  1. Which of the following possesses highest melting point ?

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  2. Benzene reacts with CH3COCl in the presence of AlCl3 to give

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  3. Nitration of benzene by nitric acid and sulphuric acid is

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  4. The reaction of benzene with chlorine in the presence of iron gives

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  5. Friedel-Crafts reaction using MeCI and anhydrous AICI(3) will take pla...

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  6. On heating a mixture of sodium benzoate and sodalime, the following is...

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  7. Benzene can be obtained in the reaction

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  8. Benzene reacts with CH(3)Cl in the presence of anyhydrous AlCl(3) to f...

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  9. Benzene is prepared in laboratory from which one of the following comp...

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  10. Electrophile in the case of chlorination of benzene in presence of FeC...

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

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  12. Find the major product in the following reaction

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  13. Which among the following is very strong o-p-directing groups?

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  14. Which of the following compounds react slower than benzene in electrop...

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  15. Which of the following order is correct for the decreasing reactivity ...

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  16. Attacking or reactive or electrophilic species in nitration of benzene...

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  17. The attacking reagent in electrophilic sulphonation of benzene is

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  18. The compound that is most reactive towards electrophilic nitration...

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  19. Which of the following would be least reactive towards bromide

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  20. Acylation of benzene to produce aliphatic aromatic ketones is known as

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