Which of the following is the active species in the nitration of aromatic organic compounds ?
Which of the following is the active species in the nitration of aromatic organic compounds ?
A. `NO_(2)^(-)`
B. `ONO^(-)`
C. `NO_(2)^(+)`
D. `NO_(3)^(-)`
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Correct Answer - C
In nitration of aromatic nucleus, the attraking species is an electrophile, i.e. nitronium ion `(NO_(2)^(+))`. It is obtained by the reaction of conc. `HNO_(3)` and `H_(2)SO_(4)`.
`H_(2)SO_(4)+HNO_(3)rarr H_(2)O+HSO_(4)^(-)+NO_(2)^(+)`
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