1
JEE Main 2019 (Online) 10th January Morning Slot
MCQ (Single Correct Answer)
+4
-1
Change Language
Which hydrogen in compound (E) is easily replaceable during bromination reaction in presence of light ?

JEE Main 2019 (Online) 10th January Morning Slot Chemistry - Haloalkanes and Haloarenes Question 107 English
A
$$\beta $$ $$-$$ hydrogen
B
$$\alpha $$ $$-$$ hydrogen
C
$$\gamma $$ $$-$$ hydrogen
D
$$\delta $$ $$-$$ hydrogen
2
JEE Main 2019 (Online) 10th January Morning Slot
MCQ (Single Correct Answer)
+4
-1
Change Language
The increasing order of the pKa values of the following compounds is :

JEE Main 2019 (Online) 10th January Morning Slot Chemistry - Alcohols, Phenols and Ethers Question 121 English
A
B < C < D < A
B
B < C < A < D
C
D < A < C < B
D
C < B < A < D
3
JEE Main 2019 (Online) 10th January Morning Slot
MCQ (Single Correct Answer)
+4
-1
Change Language
Which of the graphs shown below does not represent the relationship between incident light and the electron ejected from metal surface ?
A
JEE Main 2019 (Online) 10th January Morning Slot Chemistry - Structure of Atom Question 121 English Option 1
B
JEE Main 2019 (Online) 10th January Morning Slot Chemistry - Structure of Atom Question 121 English Option 2
C
JEE Main 2019 (Online) 10th January Morning Slot Chemistry - Structure of Atom Question 121 English Option 3
D
JEE Main 2019 (Online) 10th January Morning Slot Chemistry - Structure of Atom Question 121 English Option 4
4
JEE Main 2019 (Online) 10th January Morning Slot
MCQ (Single Correct Answer)
+4
-1
Change Language
Consider the given plots for a reaction obeying Arrhenius equation (0oC < T < 300oC) : (K and Ea are rate constant and activation energy, respectively)

JEE Main 2019 (Online) 10th January Morning Slot Chemistry - Chemical Kinetics and Nuclear Chemistry Question 112 English

Choose the correct option :
A
I is right but II is wrong
B
Both I and II are correct
C
Both I and II are wrong
D
I is wrong but II is right
JEE Main Papers
2023
2021
EXAM MAP
Medical
NEET
Graduate Aptitude Test in Engineering
GATE CSEGATE ECEGATE EEGATE MEGATE CEGATE PIGATE IN
CBSE
Class 12