1
JEE Main 2025 (Online) 22nd January Evening Shift
MCQ (Single Correct Answer)
+4
-1
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The most stable carbocation from the following is :

A
JEE Main 2025 (Online) 22nd January Evening Shift Chemistry - Basics of Organic Chemistry Question 24 English Option 1
B
JEE Main 2025 (Online) 22nd January Evening Shift Chemistry - Basics of Organic Chemistry Question 24 English Option 2
C
JEE Main 2025 (Online) 22nd January Evening Shift Chemistry - Basics of Organic Chemistry Question 24 English Option 3
D
JEE Main 2025 (Online) 22nd January Evening Shift Chemistry - Basics of Organic Chemistry Question 24 English Option 4
2
JEE Main 2025 (Online) 22nd January Morning Shift
MCQ (Single Correct Answer)
+4
-1
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How many different stereoisomers are possible for the given molecule?

JEE Main 2025 (Online) 22nd January Morning Shift Chemistry - Basics of Organic Chemistry Question 27 English

A
2
B
1
C
3
D
4
3
JEE Main 2025 (Online) 22nd January Morning Shift
MCQ (Single Correct Answer)
+4
-1
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The incorrect statements regarding geometrical isomerism are :

(A) Propene shows geometrical isomerism.

(B) Trans isomer has identical atoms/groups on the opposite sides of the double bond.

(C) Cis-but-2-ene has higher dipole moment than trans-but-2-ene.

(D) 2-methylbut-2-ene shows two geometrical isomers.

(E) Trans-isomer has lower melting point than cis isomer.

Choose the correct answer from the options given below :

A
(A) and (E) Only
B
(A), (D) and (E) Only
C
(C), (D) and (E) Only
D
(B) and (C) Only
4
JEE Main 2025 (Online) 22nd January Morning Shift
MCQ (Single Correct Answer)
+4
-1
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The IUPAC name of the following compound is :

JEE Main 2025 (Online) 22nd January Morning Shift Chemistry - Basics of Organic Chemistry Question 26 English

A
5-Methoxycarbonly-2-methylhexanoic acid
B
Methyl-5-carboxy-2-methylhexanoate.
C
2-Carboxy-5-methoxycarbonylhexane.
D
Methyl-6-carboxy-2,5-dimethylhexanoate.
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