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In the sulphonation of benzene, the acti...

In the sulphonation of benzene, the active electrophilic species is

A

`SO_(2)`

B

`SO_(3)`

C

`SO_(4)^(2-)`

D

`HSO_(4)^(-)`

Text Solution

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The correct Answer is:
B
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ALLEN-ALKENE, ALKANE & ALKYNE -EXERCISE-1
  1. In the nitration of benzene with a mixture of concentrated HNO(3) and ...

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  2. Which of the following substituted benzene derivatives would produce t...

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

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  4. The Friedel-Crafts reaction of benzene with n-butyl chloride at 0^(@)C...

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  5. Sulfonation differs from most of electrophilic aromatic substitution r...

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  6. Cumene on treatment with KMnO(4) gives -

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  7. Benzene reacts with CH(3)COCl in the presence of anhydrous AlCl(3) to ...

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  8. underset(FeBr(2))overset(Br(2))rarrA (Major product), then the major...

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  9. Arrange the following in correct activating order towards EAS - {:(u...

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  10. Consider the following reaction sequence, CH(3)C-= CH overset(aq.H(2...

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  11. Consider the following reaction sequence CH(3)C-=Chunderset(" 2 mole...

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  12. Consider the following chlorides: The order of reactivity of A, B...

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  13. In the following reaction sequence Ph -C -= CH underset(Hg^(2+)) ove...

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  14. Consider the following reaction. CH(3)overset(O^(16))overset(||)C-O^...

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  15. Consider the following reaction sequence, underset(2 H(2)O)overset ...

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  16. Propene is allowed to react with m-chloroperoxybenzoic acid. The produ...

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  17. 2-Phenylethanol may be prepared by the reaction of phenyl magnesium br...

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  18. In the reaction the product (B) is:

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  19. The final product in the reaction is : Ph-OH+C Cl(4)overset(KOH)rarr...

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  20. In the reaction of phenol with CHCl(3) and aqueous NaOH at 70^(@), the...

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