BCECE SERIES Chemistry
Resonance
1 previous year questions.
Volume: 1 Ques
Yield: Medium
High-Yield Trend
1
2017 Chapter Questions 1 MCQs
01
PYQ 2017
medium
chemistry ID: bcece-20
Some meta-directing substituents in aromatic substitution are given. Which one is most deactivating?
1
-SO3H
2
-CN
3
-COOH
4
-NO2