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JEE Main Ultimate Online Test Series - 2027
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1
JEE Main 2021 (Online) 24th February Morning Shift
MCQ (Single Correct Answer)
+4
-1
The product formed in the first step of the reaction of
with excess $$\mathrm{Mg/Et_2O}$$ ($$\mathrm{Et=C_2H_5}$$) is
with excess $$\mathrm{Mg/Et_2O}$$ ($$\mathrm{Et=C_2H_5}$$) is
A
B
C
D
2
JEE Main 2020 (Online) 6th September Evening Slot
MCQ (Single Correct Answer)
+4
-1
The increasing order of the boiling points of
the major products A, B and C of the following
reactions will be :
3
JEE Main 2020 (Online) 5th September Evening Slot
MCQ (Single Correct Answer)
+4
-1
The major product formed in the following reaction is :
CH3CH = CHCH(CH3)2 $$\buildrel {HBr} \over \longrightarrow $$
CH3CH = CHCH(CH3)2 $$\buildrel {HBr} \over \longrightarrow $$
4
JEE Main 2020 (Online) 4th September Evening Slot
MCQ (Single Correct Answer)
+4
-1
Among the following compounds, which one
has the shortest C – Cl bond?
A
H3C - Cl
B
C
D
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