The species responsible for nitration and sul | vedclass

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(B) In nitration using a mixture of conc. $HNO_3$ and conc. $H_2SO_4$,the electrophile generated is the nitronium ion,$NO_2^+$. In sulphonation using

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$NO_2^+$ and $SO_3$

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(B) In nitration using a mixture of conc. $HNO_3$ and conc. $H_2SO_4$,the electrophile generated is the nitronium ion,$NO_2^+$. In sulphonation using fuming $H_2SO_4$ (oleum),the electrophile is sulphur trioxide,$SO_3$. Therefore,the species responsible for nitration and sulphonation are $NO_2^+$ and $SO_3$ respectively.

The species responsible for nitration and sulphonation by nitric acid/conc. $H_2SO_4$ and fuming $H_2SO_4$ are :

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