1
JEE Main 2019 (Online) 10th April Morning Slot
MCQ (Single Correct Answer)
+4
-1
Change Language
The oxoacid of sulphur that does not contain bond between sulphur atoms is
A
H2S2O7
B
H2S2O3
C
H2S4O6
D
H2S2O4
2
JEE Main 2019 (Online) 10th April Morning Slot
MCQ (Single Correct Answer)
+4
-1
Change Language
The graph between $${\left| \psi \right|^2}$$ and r (radial distance) is shown below. This represents : JEE Main 2019 (Online) 10th April Morning Slot Chemistry - Structure of Atom Question 123 English
A
3s orbital
B
2s orbital
C
2p orbital
D
1s orbital
3
JEE Main 2019 (Online) 10th April Morning Slot
MCQ (Single Correct Answer)
+4
-1
Change Language
The increasing order of the reactivity of the following compounds towards electrophilic aromatic substitution reactions is : JEE Main 2019 (Online) 10th April Morning Slot Chemistry - Basics of Organic Chemistry Question 168 English
A
III < II < I
B
III < I < II
C
II < I < III
D
I < III < II
4
JEE Main 2019 (Online) 10th April Morning Slot
MCQ (Single Correct Answer)
+4
-1
Out of Syllabus
Change Language
Which of the following is a condensation polymer?
A
Neoprene
B
Buna-S
C
Nylon 6, 6
D
Teflon
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