1
JEE Main 2023 (Online) 25th January Evening Shift
MCQ (Single Correct Answer)
+4
-1
Change Language

Match List I with List II

List I (Amines) List II ($$\mathrm{pK_b}$$)
A. Aniline I. 3.25
B. Ethanamine II. 3.00
C. N-Ethylethanamine III. 9.38
D. N, N-Diethylethanamine IV. 3.29

Choose the correct answer from the options given below :

A
A-III, B-II, C-I, D-IV
B
A-III, B-II, C-IV, D-I
C
A-III, B-IV, C-II, D-I
D
A-I, B-IV, C-II, D-III
2
JEE Main 2023 (Online) 25th January Evening Shift
MCQ (Single Correct Answer)
+4
-1
Change Language

What is the mass ratio of ethylene glycol ($$\mathrm{C_2H_6O_2}$$, molar mass = 62 g/mol) required for making 500 g of 0.25 molal aqueous solution and 250 mL of 0.25 molar aqueous solution?

A
1 : 2
B
1 : 1
C
2 : 1
D
3 : 1
3
JEE Main 2023 (Online) 25th January Evening Shift
MCQ (Single Correct Answer)
+4
-1
Change Language

Find out the major product from the following reaction.

JEE Main 2023 (Online) 25th January Evening Shift Chemistry - Alcohols, Phenols and Ethers Question 44 English

A
JEE Main 2023 (Online) 25th January Evening Shift Chemistry - Alcohols, Phenols and Ethers Question 44 English Option 1
B
JEE Main 2023 (Online) 25th January Evening Shift Chemistry - Alcohols, Phenols and Ethers Question 44 English Option 2
C
JEE Main 2023 (Online) 25th January Evening Shift Chemistry - Alcohols, Phenols and Ethers Question 44 English Option 3
D
JEE Main 2023 (Online) 25th January Evening Shift Chemistry - Alcohols, Phenols and Ethers Question 44 English Option 4
4
JEE Main 2023 (Online) 25th January Evening Shift
MCQ (Single Correct Answer)
+4
-1
Change Language

The isomeric deuterated bromide with molecular formula $$\mathrm{C_4H_8DBr}$$ having two chiral carbon atoms is

A
2 - Bromo - 1 - deuterobutane
B
2 - Bromo - 1 - deutero - 2 - methylpropane
C
2 - Bromo - 3 - deuterobutane
D
2 - Bromo - 2 - deuterobutane
JEE Main Papers
2023
2021
EXAM MAP
Medical
NEETAIIMS
Graduate Aptitude Test in Engineering
GATE CSEGATE ECEGATE EEGATE MEGATE CEGATE PIGATE IN
Civil Services
UPSC Civil Service
Defence
NDA
Staff Selection Commission
SSC CGL Tier I
CBSE
Class 12