KCET 2016 Chemistry Solved Paper

© examsiri.com

Question : 17 of 60

Marks: +1, -0

Replacement of Cl of Chlorobenzene to give phenol requires drastic conditions, but Cl of 2, 4 - dinitro chlorobenzene is readily replaced. This is because,

−NO2 group makes the ring electron rich at o- and p- positions.
−NO2 group withdraws electrons from m-position.
−NO2 donate electrons at m- position.
−NO2 withdraws electrons from o- and p-positions.

Go to Question:

Prev Question

Next Question