1
JEE Main 2026 (Online) 2nd April Morning Shift
MCQ (Single Correct Answer)
+4
-1
In IUPAC nomenclature, the correct order of decreasing priority of functional group is :
A
B
$$
-\mathrm{CONH}_2,-\mathrm{COOCH}_3,-\mathrm{CHO},-\mathrm{NH}_2,-\mathrm{OH}
$$
C
D
$$
-\mathrm{CONH}_2,-\mathrm{CHO},-\mathrm{CN},-\mathrm{NH}_2,-\mathrm{C} \equiv \mathrm{C}-
$$
2
JEE Main 2026 (Online) 2nd April Morning Shift
MCQ (Single Correct Answer)
+4
-1
For the given molecule, "x", the preferred site for the attack of the electrophile is :
3
JEE Main 2026 (Online) 28th January Evening Shift
MCQ (Single Correct Answer)
+4
-1
Identify the correct statements :
The presence of –NO2 group in benzene ring
A. activates the ring towards electrophilic substitutions.
B. deactivates the ring towards electrophilic substitutions.
C. activates the ring towards nucleophilic substitutions.
D. deactivates the ring towards nucleophilic substitutions.
Choose the correct answer from the options given below :
4
JEE Main 2026 (Online) 28th January Evening Shift
MCQ (Single Correct Answer)
+4
-1
The cyclic cations having the same number of hyperconjugation are :
Choose the correct answer from the options given below :
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