1
JEE Main 2021 (Online) 1st September Evening Shift
MCQ (Single Correct Answer)
+4
-1
The stereoisomers that are formed by electrophilic addition of bromine to trans-but-2-ene is/are :
A
2 enantiomers and 2 mesomers
B
2 identical mesomers
C
2 enantiomers
D
1 racemic and 2 enantiomers
2
JEE Main 2021 (Online) 1st September Evening Shift
MCQ (Single Correct Answer)
+4
-1
In the following sequence of reactions,

JEE Main 2021 (Online) 1st September Evening Shift Chemistry - Hydrocarbons Question 39 English
The compounds B and C respectively are :-
A
CI3COOK, HCOOH
B
CI3COOK, CH3I
C
CH3I, HCOOK
D
CHI3, CH3COOK
3
JEE Main 2021 (Online) 31st August Evening Shift
MCQ (Single Correct Answer)
+4
-1
For the following sequence of reactions, the correct products are :

JEE Main 2021 (Online) 31st August Evening Shift Chemistry - Hydrocarbons Question 38 English
A
JEE Main 2021 (Online) 31st August Evening Shift Chemistry - Hydrocarbons Question 38 English Option 1
B
JEE Main 2021 (Online) 31st August Evening Shift Chemistry - Hydrocarbons Question 38 English Option 2
C
JEE Main 2021 (Online) 31st August Evening Shift Chemistry - Hydrocarbons Question 38 English Option 3
D
JEE Main 2021 (Online) 31st August Evening Shift Chemistry - Hydrocarbons Question 38 English Option 4
4
JEE Main 2021 (Online) 31st August Evening Shift
MCQ (Single Correct Answer)
+4
-1
Identify correct A, B and C in the reaction sequence given below :

JEE Main 2021 (Online) 31st August Evening Shift Chemistry - Hydrocarbons Question 40 English
A
JEE Main 2021 (Online) 31st August Evening Shift Chemistry - Hydrocarbons Question 40 English Option 1
B
JEE Main 2021 (Online) 31st August Evening Shift Chemistry - Hydrocarbons Question 40 English Option 2
C
JEE Main 2021 (Online) 31st August Evening Shift Chemistry - Hydrocarbons Question 40 English Option 3
D
JEE Main 2021 (Online) 31st August Evening Shift Chemistry - Hydrocarbons Question 40 English Option 4
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