The strongest ortho-para and strongest meta-directing groups respectively are
- A$-NH_2$ and $-NO_2$
- B$-CONH_2$ and $-NH_2$
- C$-NH_2$ and $-CONH_2$
- D$-OH$ and $-NO_2$
Explore More
Similar Questions
Assertion : $p-$nitroacetophenone $(p-O_2N-C_6H_4-COCH_3)$ is prepared by Friedel-Crafts acylation of nitrobenzene.
Reason : Nitrobenzene easily undergoes electrophilic substitution reaction.
Reason : Nitrobenzene easily undergoes electrophilic substitution reaction.
MediumAIIMS 2005
View SolutionWhich is the best synthesis of $1-$methoxy$-2,4-$dinitrobenzene?
Which of the following groups exerts a strong deactivating effect on an aromatic ring?
Medium
View SolutionWhy do electrophilic substitution reactions in haloarenes occur at ortho and para positions,yet are slower than in benzene? Explain.
Difficult
View SolutionWhat is the ratio of $sp^3$ carbons to $sp^2$ carbons in the product '$P$' of the given sequence of reactions?
Vedclass Products
For Students
Vedclass Test Series
Mock tests in real JEE/NEET style with performance analysis. 5-day free trial.
Start Free TrialFor Teachers
Exam Paper Generator
Generate Set A/B/C/D exam papers from 7.5L+ questions in 2 minutes. 3 chapters free.
Try FreeFor Institutes
Online Exam Module
Live online exams with unlimited students, 360° analytics & white-label branding.
See Demo