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

The compound which will have the lowest rate towards nucleophilic aromatic substitution on treatment with OH$$^-$$ is

A
JEE Main 2023 (Online) 25th January Morning Shift Chemistry - Haloalkanes and Haloarenes Question 27 English Option 1
B
JEE Main 2023 (Online) 25th January Morning Shift Chemistry - Haloalkanes and Haloarenes Question 27 English Option 2
C
JEE Main 2023 (Online) 25th January Morning Shift Chemistry - Haloalkanes and Haloarenes Question 27 English Option 3
D
JEE Main 2023 (Online) 25th January Morning Shift Chemistry - Haloalkanes and Haloarenes Question 27 English Option 4
2
JEE Main 2023 (Online) 25th January Morning Shift
MCQ (Single Correct Answer)
+4
-1
Change Language

Match List I with List II

List I
Elements
List II
Colour imparted to the flame
A. K I. Brick Red
B. Ca II. Violet
C. Sr III. Apple Green
D. Ba IV. Crimson Red

Choose the correct answer from the options given below :

A
A-II, B-IV, C-I, D-III
B
A-II, B-I, C-IV, D-III
C
A-II, B-I, C-III, D-IV
D
A-IV, B-III, C-II, D-I
3
JEE Main 2023 (Online) 25th January Morning Shift
MCQ (Single Correct Answer)
+4
-1
Change Language

Identify the product formed (A and E)

JEE Main 2023 (Online) 25th January Morning Shift Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 31 English

A
JEE Main 2023 (Online) 25th January Morning Shift Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 31 English Option 1
B
JEE Main 2023 (Online) 25th January Morning Shift Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 31 English Option 2
C
JEE Main 2023 (Online) 25th January Morning Shift Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 31 English Option 3
D
JEE Main 2023 (Online) 25th January Morning Shift Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 31 English Option 4
4
JEE Main 2023 (Online) 25th January Morning Shift
MCQ (Single Correct Answer)
+4
-1
Out of Syllabus
Change Language

Some reactions of NO$$_2$$ relevant to photochemical smog formation are

JEE Main 2023 (Online) 25th January Morning Shift Chemistry - Environmental Chemistry Question 14 English

Identify A, B, X and Y :

A
$$\mathrm{X = [O],Y = NO,A = {O_2},B = {O_3}}$$
B
$$\mathrm{X = {N_2}O,Y = [O],A = {O_3},B = NO}$$
C
$$\mathrm{X = {1 \over 2}{O_2},Y = N{O_2},A = {O_3},B = {O_2}}$$
D
$$\mathrm{X = NO,Y = [O],A = {O_2},B = {N_2}{O_3}}$$
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