1
JEE Main 2022 (Online) 24th June Evening Shift
MCQ (Single Correct Answer)
+4
-1
Change Language

Given below are two statements :

Statement I : The presence of weaker $$\pi$$-bonds make alkenes less stable than alkanes.

Statement II : The strength of the double bond is greater than that of carbon-carbon single bond.

In the light of the above statements, choose the correct answer from the options given below :

A
Both Statement I and Statement II are correct.
B
Both Statement I and Statement II are incorrect.
C
Statement I is correct but Statement II is incorrect.
D
Statement I is incorrect but Statement II is correct.
2
JEE Main 2022 (Online) 24th June Evening Shift
MCQ (Single Correct Answer)
+4
-1
Change Language

Which of the following reagents / reactions will convert 'A' to 'B' ?

JEE Main 2022 (Online) 24th June Evening Shift Chemistry - Hydrocarbons Question 47 English

A
PCC oxidation
B
Ozonolysis
C
BH3, H2O2/$$-$$OH followed by PCC oxidation
D
HBr, hydrolysis followed by oxidation by K2Cr2O7.
3
JEE Main 2021 (Online) 1st September Evening Shift
MCQ (Single Correct Answer)
+4
-1
Change Language
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
4
JEE Main 2021 (Online) 31st August Evening Shift
MCQ (Single Correct Answer)
+4
-1
Change Language
For the following sequence of reactions, the correct products are :

JEE Main 2021 (Online) 31st August Evening Shift Chemistry - Hydrocarbons Question 55 English
A
JEE Main 2021 (Online) 31st August Evening Shift Chemistry - Hydrocarbons Question 55 English Option 1
B
JEE Main 2021 (Online) 31st August Evening Shift Chemistry - Hydrocarbons Question 55 English Option 2
C
JEE Main 2021 (Online) 31st August Evening Shift Chemistry - Hydrocarbons Question 55 English Option 3
D
JEE Main 2021 (Online) 31st August Evening Shift Chemistry - Hydrocarbons Question 55 English Option 4
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