1
JEE Main 2021 (Online) 25th July Morning Shift
MCQ (Single Correct Answer)
+4
-1
Change Language
JEE Main 2021 (Online) 25th July Morning Shift Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 107 English
Consider the given reaction, the product 'X' is :
A
JEE Main 2021 (Online) 25th July Morning Shift Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 107 English Option 1
B
JEE Main 2021 (Online) 25th July Morning Shift Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 107 English Option 2
C
JEE Main 2021 (Online) 25th July Morning Shift Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 107 English Option 3
D
JEE Main 2021 (Online) 25th July Morning Shift Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 107 English Option 4
2
JEE Main 2021 (Online) 25th July Morning Shift
MCQ (Single Correct Answer)
+4
-1
Change Language
JEE Main 2021 (Online) 25th July Morning Shift Chemistry - Haloalkanes and Haloarenes Question 73 English
The given reaction can occur in the presence of :

(a) Bromine water

(b) Br2 in CS2, 273 K

(c) Br2/FeBr3

(d) Br2 in CHCl3, 273 K

Choose the correct answer from the options gien below :
A
(b) and (d) only
B
(a) and (c) only
C
(b), (c) and (d) only
D
(a), (b) and (d) only
3
JEE Main 2021 (Online) 25th July Morning Shift
MCQ (Single Correct Answer)
+4
-1
Change Language
Given below are two statements, one is labelled as Assertion (A) and other is labelled as Reason (R).

Assertion (A) : Gabriel phthalimide synthesis cannot be used to prepare aromatic primary amines.

Reason (R) : Aryl halides do not undergo nucleophilic substitution reaction.

In the light of the above statements, choose the correct answer from the options given below :
A
Both (A) and (R) true but (R) is not the correct explanation of (A)
B
(A) is false but (R) is true.
C
Both (A) and (R) true and (R) is correct explanation of (A).
D
(A) is true but (R) is false.
4
JEE Main 2021 (Online) 25th July Morning Shift
MCQ (Single Correct Answer)
+4
-1
Change Language
For the following graphs,

JEE Main 2021 (Online) 25th July Morning Shift Chemistry - Chemical Kinetics and Nuclear Chemistry Question 78 English
Choose from the options given below, the correct one regarding order of reaction is :
A
(b) Zero order (c) and (e) First order
B
(a) and (b) Zero order (e) First order
C
(b) and (d) Zero order (e) First order
D
(a) and (b) Zero order (c) and (e) First order
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