MEDIUM
JEE Main/Advance
IMPORTANT
Earn 100

Total number of 2° amine isomers of C4H11N would be (only structural)

50% studentsanswered this correctly

Important Questions on Organic Chemistry- Some Basic Principles and Techniques

MEDIUM
JEE Main/Advance
IMPORTANT

Show the direction of inductive effect in following compounds:

(1) Question Image  (2) Question Image

(3) CH3-CH=CH2        (4) CH3-CH2-CH2-Li  

(5) CH3-CH2-CH2-MgBr     (6) CH3-CH2-OH

(7) Question Image   (8) Question Image  

 (9) Question Image   (10) Question Image

MEDIUM
JEE Main/Advance
IMPORTANT

Which of the following compounds have delocalised electrons?

(P) Question Image

(Q) Question Image

(R) Question Image

(S) CH3CH2NHCH=CHCH3

EASY
JEE Main/Advance
IMPORTANT

The number of π electrons in resonance in the following structure:

Question Image

MEDIUM
JEE Main/Advance
IMPORTANT

In the following sets of resonating structures, label the major and minor contributors towards resonance hybrid.

(P) Question Image

(Q) Question Image

(R) Question Image

(S) Question Image

MEDIUM
JEE Main/Advance
IMPORTANT

Write the stability order of the following resonating structures:

(P) Question Image   (Q) Question Image 

(R) Question Image   (S) Question Image

EASY
JEE Main/Advance
IMPORTANT

Arrange the following groups in the increasing order of -I effect :-

(i) -l, Cl, -F, -Br

(ii) -NH2,-OH,-OΘ

EASY
JEE Main/Advance
IMPORTANT

Arrange the following groups in the increasing order of -M:

(i) -NO2,-COOR,-CHO,-CN,-COR

(ii) Question Image

EASY
JEE Main/Advance
IMPORTANT

Which of the following groups (attached with a benzene ring) show +M effect?

Question Image