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1
JEE Main 2021 (Online) 26th August Evening Shift
MCQ (Single Correct Answer)
+4
-1
Which one of the following compounds is not aromatic?
A
JEE Main 2021 (Online) 26th August Evening Shift Chemistry - Basics of Organic Chemistry Question 41 English Option 1
B
JEE Main 2021 (Online) 26th August Evening Shift Chemistry - Basics of Organic Chemistry Question 41 English Option 2
C
JEE Main 2021 (Online) 26th August Evening Shift Chemistry - Basics of Organic Chemistry Question 41 English Option 3
D
JEE Main 2021 (Online) 26th August Evening Shift Chemistry - Basics of Organic Chemistry Question 41 English Option 4
2
JEE Main 2021 (Online) 26th August Evening Shift
MCQ (Single Correct Answer)
+4
-1
The number of stereoisomers possible for 1, 2-dimethyl cyclopropane is :
A
One
B
Four
C
Two
D
Three
3
JEE Main 2021 (Online) 27th July Evening Shift
MCQ (Single Correct Answer)
+4
-1
Given below are two statements :

Statement I : Hyperconjugation is a permanent effect.

Statement II : Hyperconjugation in ethyl cation $$\left( {C{H_3} - \mathop C\limits^ + {H_2}} \right)$$ involves the overlapping of $${C_{s{p^2}}} - {H_{1s}}$$ bond with empty 2p orbital of other carbon.

Choose the correct option :
A
Both statement I and statement II are false
B
Statement I is incorrect but statement II is true
C
Statement I is correct but statement II is false
D
Both statement I and statement II are true.
4
JEE Main 2021 (Online) 27th July Morning Shift
MCQ (Single Correct Answer)
+4
-1
JEE Main 2021 (Online) 27th July Morning Shift Chemistry - Basics of Organic Chemistry Question 45 English
The correct order of stability of given carbocation is :
A
A > C > B > D
B
D > B > C > A
C
D > B > A > C
D
C > A > D > B
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