1
JEE Main 2021 (Online) 25th February Morning Shift
MCQ (Single Correct Answer)
+4
-1
Out of Syllabus
Change Language
Ellingham diagram is a graphical representation of :
A
$$\Delta$$G vs P
B
$$\Delta$$G vs T
C
($$\Delta$$G $$-$$ T$$\Delta$$S) vs T
D
$$\Delta$$H vs T
2
JEE Main 2021 (Online) 25th February Morning Shift
MCQ (Single Correct Answer)
+4
-1
Change Language
Which of the following reaction/s will not give p-aminoazobenzene?

JEE Main 2021 (Online) 25th February Morning Shift Chemistry - Compounds Containing Nitrogen Question 136 English
A
C only
B
A only
C
A and B
D
B only
3
JEE Main 2021 (Online) 25th February Morning Shift
MCQ (Single Correct Answer)
+4
-1
Out of Syllabus
Change Language
Which statement is correct?
A
Buna-N is a natural polymer.
B
Synthesis of Buna-S needs nascent oxygen.
C
Buna-S is a synthetic and linear thermosetting polymer.
D
Neoprene is an addition copolymer used in plastic bucket manufacturing.
4
JEE Main 2021 (Online) 25th February Morning Shift
Numerical
+4
-1
Change Language
Using the provided information in the following paper chromatogram :

JEE Main 2021 (Online) 25th February Morning Shift Chemistry - Basics of Organic Chemistry Question 146 English
Fig : Paper chromatography for compounds A and B.

the calculated Rf value of A ________$$\times$$ 10-1.
Your input ____
JEE Main Papers
2023
2021
EXAM MAP
Medical
NEET
Graduate Aptitude Test in Engineering
GATE CSEGATE ECEGATE EEGATE MEGATE CEGATE PIGATE IN
CBSE
Class 12