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

In the cumene to phenol preparation in presence of air, the intermediate is

A
JEE Main 2023 (Online) 25th January Morning Shift Chemistry - Alcohols, Phenols and Ethers Question 42 English Option 1
B
JEE Main 2023 (Online) 25th January Morning Shift Chemistry - Alcohols, Phenols and Ethers Question 42 English Option 2
C
JEE Main 2023 (Online) 25th January Morning Shift Chemistry - Alcohols, Phenols and Ethers Question 42 English Option 3
D
JEE Main 2023 (Online) 25th January Morning Shift Chemistry - Alcohols, Phenols and Ethers Question 42 English Option 4
2
JEE Main 2023 (Online) 25th January Morning Shift
MCQ (Single Correct Answer)
+4
-1
Change Language

Match items of Row I with those of Row II.

Row I :

JEE Main 2023 (Online) 25th January Morning Shift Chemistry - Biomolecules Question 36 English

Row II :

(i) $$\alpha$$-$$\mathrm{D}$$-$$(-)$$-$$\mathrm{Fructofuranose}$$

(ii) $$\beta$$-D-$$(-)$$-Fructofuranose

(iii) $$\alpha$$-D-$$(-)$$ Glucopyranose

(iv) $$\beta$$-D-$$(-)$$-Glucopyranose

Correct match is

A
A $$\to$$ iii, B $$\to$$ iv, C $$\to$$ i, D $$\to$$ ii
B
A $$\to$$ iv, B $$\to$$ iii, C $$\to$$ i, D $$\to$$ ii
C
A $$\to$$ i, B $$\to$$ ii, C $$\to$$ iii, D $$\to$$ iv
D
A $$\to$$ iii, B $$\to$$ iv, C $$\to$$ ii, D $$\to$$ i
3
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 38 English Option 1
B
JEE Main 2023 (Online) 25th January Morning Shift Chemistry - Haloalkanes and Haloarenes Question 38 English Option 2
C
JEE Main 2023 (Online) 25th January Morning Shift Chemistry - Haloalkanes and Haloarenes Question 38 English Option 3
D
JEE Main 2023 (Online) 25th January Morning Shift Chemistry - Haloalkanes and Haloarenes Question 38 English Option 4
4
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
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