1
JEE Main 2019 (Online) 12th April Evening Slot
MCQ (Single Correct Answer)
+4
-1
In the following skew conformation of ethane, H'–C–C–H'' dihedral angle is :
2
JEE Main 2019 (Online) 12th April Morning Slot
MCQ (Single Correct Answer)
+4
-1
The major product of the following addition reaction is :
H3C–CH=CH2 $$\buildrel {C{l_2}/{H_2}O} \over \longrightarrow $$
H3C–CH=CH2 $$\buildrel {C{l_2}/{H_2}O} \over \longrightarrow $$
A
B
C
D
3
JEE Main 2019 (Online) 12th April Morning Slot
MCQ (Single Correct Answer)
+4
-1
But-2-ene on reaction with alkaline KMnO4 at elevated temperature followed by acidification will give :
A
one molecule of CH3CHO and one molecule of CH3COOH
B
2 molecules of CH3COOH
C
D
2 molecules of CH3CHO
4
JEE Main 2019 (Online) 9th April Evening Slot
MCQ (Single Correct Answer)
+4
-1
Which of the following potential energy (PE)
diagrams represents the SN1 reaction?
A
B
C
D
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