NTA Abhyas JEE Main2020ChemistryHaloalkanes and HaloarenesPractice
Benzene cannot be iodinated with I 2 directly. However, in presence of oxidants such as H N O 3 , iodination is possible. The electrophiles formed in the case is
Options
- AI +
- BI -
- CI +δ ...... O +δ H 2 +
- DI − δ ...... O − δ H 2 +
Correct answer
A. I +
Step-by-step solution
In the presence of oxidising agents such as H N O 3 direct, iodination of benzene is possible. The electrophiles formed in this case is I + . H +   +   HNO 3   +   1 2 I 2 → I + Iodine   cation   +   NO 2   +   H 2 O