1
JEE Main 2023 (Online) 31st January Morning Shift
MCQ (Single Correct Answer)
+4
-1
Change Language

The correct order of basicity of oxides of vanadium is :

A
$$\mathrm{V_2O_3 > V_2O_5 > V_2O_4}$$
B
$$\mathrm{V_2O_3 > V_2O_4 > V_2O_5}$$
C
$$\mathrm{V_2O_5 > V_2O_4 > V_2O_3}$$
D
$$\mathrm{V_2O_4 > V_2O_3 > V_2O_5}$$
2
JEE Main 2023 (Online) 31st January Morning Shift
MCQ (Single Correct Answer)
+4
-1
Change Language

The correct increasing order of the ionic radii is

A
$$\mathrm{Cl^- < Ca^{2+} < K^+ < S^{2-}}$$
B
$$\mathrm{K^+ < S^{2-} < Ca^{2+} < Cl^-}$$
C
$$\mathrm{Ca^{2+} < K^+ < Cl^- < S^{2-}}$$
D
$$\mathrm{S^{2-} < Cl^- < Ca^{2+} < K^+}$$
3
JEE Main 2023 (Online) 31st January Morning Shift
MCQ (Single Correct Answer)
+4
-1
Change Language

The correct order of melting points of dichlorobenzenes is

A
JEE Main 2023 (Online) 31st January Morning Shift Chemistry - Haloalkanes and Haloarenes Question 43 English Option 1
B
JEE Main 2023 (Online) 31st January Morning Shift Chemistry - Haloalkanes and Haloarenes Question 43 English Option 2
C
JEE Main 2023 (Online) 31st January Morning Shift Chemistry - Haloalkanes and Haloarenes Question 43 English Option 3
D
JEE Main 2023 (Online) 31st January Morning Shift Chemistry - Haloalkanes and Haloarenes Question 43 English Option 4
4
JEE Main 2023 (Online) 31st January Morning Shift
MCQ (Single Correct Answer)
+4
-1
Change Language

JEE Main 2023 (Online) 31st January Morning Shift Chemistry - Compounds Containing Nitrogen Question 57 English

Consider the above reaction and identify the product B.

A
JEE Main 2023 (Online) 31st January Morning Shift Chemistry - Compounds Containing Nitrogen Question 57 English Option 1
B
JEE Main 2023 (Online) 31st January Morning Shift Chemistry - Compounds Containing Nitrogen Question 57 English Option 2
C
JEE Main 2023 (Online) 31st January Morning Shift Chemistry - Compounds Containing Nitrogen Question 57 English Option 3
D
JEE Main 2023 (Online) 31st January Morning Shift Chemistry - Compounds Containing Nitrogen Question 57 English Option 4
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