1
JEE Main 2020 (Online) 4th September Morning Slot
MCQ (Single Correct Answer)
+4
-1
Change Language
The IUPAC name of the following compound is : JEE Main 2020 (Online) 4th September Morning Slot Chemistry - Basics of Organic Chemistry Question 209 English
A
3-Bromo-5-methylcyclopentane carboxylic acid
B
3-Bromo-5-methylcyclopentanoic acid
C
4-Bromo-2-methylcyclopentane carboxylic acid
D
5-Bromo-3-methylcyclopentanoic acid
2
JEE Main 2020 (Online) 4th September Morning Slot
Numerical
+4
-0
Change Language
If 75% of a first order reaction was completed in 90 minutes, 60% of the same reaction would be completed in approximately (in minutes) _______.

(Take : log 2 = 0.30; log 2.5 = 0.40)
Your input ____
3
JEE Main 2020 (Online) 4th September Morning Slot
Numerical
+4
-0
Change Language
The number of chiral centres present in [B] is _____. JEE Main 2020 (Online) 4th September Morning Slot Chemistry - Compounds Containing Nitrogen Question 194 English
Your input ____
4
JEE Main 2020 (Online) 4th September Morning Slot
Numerical
+4
-0
Change Language
The mass of ammonia in grams produced when 2.8 kg of dinitrogen quantitatively reacts with 1 kg of dihydrogen is _______.
Your input ____

JEE Main Papers

All year-wise previous year question papers

2023
2021