1
JEE Main 2021 (Online) 31st August Evening Shift
MCQ (Single Correct Answer)
+4
-1
Out of Syllabus
Change Language
Which among the following is not a polyester?
A
Novolac
B
PHBV
C
Dacron
D
Glyptal
2
JEE Main 2021 (Online) 31st August Evening Shift
MCQ (Single Correct Answer)
+4
-1
Out of Syllabus
Change Language
Which one of the following correctly represents the order of stability of oxides, X2O; (X = halogen)?
A
Br > Cl > I
B
Br > I > Cl
C
Cl > I > Br
D
I > Cl > Br
3
JEE Main 2021 (Online) 31st August Evening Shift
MCQ (Single Correct Answer)
+4
-1
Change Language
Match List - I with List - II :

List - I
(Metal Ion)
List - II
(Group of Qualitative analysis)
(a) $$M{n^{2 + }}$$ (i) Group - III
(b) $$A{s^{3 + }}$$ (ii) Group - IIA
(c) $$C{u^{2 + }}$$ (iii) Group - IV
(d) $$A{l^{3 + }}$$ (iv) Group - IIB


Choose the most appropriate answer from the options given below :
A
(a)-(i), (b)-(ii), (c)-(iii), (d)-(iv)
B
(a)-(iii), (b)-(iv), (c)-(ii), (d)-(i)
C
(a)-(i), (b)-(iv), (c)-(ii), (d)-(iii)
D
(a)-(iv), (b)-(ii), (c)-(iii), (d)-(i)
4
JEE Main 2021 (Online) 31st August Evening Shift
MCQ (Single Correct Answer)
+4
-1
Change Language
The major product of the following reaction is :

JEE Main 2021 (Online) 31st August Evening Shift Chemistry - Haloalkanes and Haloarenes Question 53 English
A
JEE Main 2021 (Online) 31st August Evening Shift Chemistry - Haloalkanes and Haloarenes Question 53 English Option 1
B
JEE Main 2021 (Online) 31st August Evening Shift Chemistry - Haloalkanes and Haloarenes Question 53 English Option 2
C
JEE Main 2021 (Online) 31st August Evening Shift Chemistry - Haloalkanes and Haloarenes Question 53 English Option 3
D
JEE Main 2021 (Online) 31st August Evening Shift Chemistry - Haloalkanes and Haloarenes Question 53 English Option 4
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