JEE Main20204 Sep 2020Evening ShiftChemistryGeneral Organic ChemistryActual
Which of the following compounds will form the precipitate with aq . AgNO 3 solution most readily?
Correct answer
3
Step-by-step solution
It is an example of S N 1 reaction. Rate of S N 1   reaction   α   stability   of   carbocation   In option 1 carbocation formed after removing halogen is destabilized by - I effect. In option 2 carbocation formed after removing halogen is stabilized by +M effect since lone pair is present at oxygen atom. In option 3 carbocation formed after removing halogen is stabilized by +M effect of lone pair present on nitrogen atom but lone pair is also in conjugation with benzene ring ther