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1
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.
2
JEE Main 2024 (Online) 9th April Evening Shift
MCQ (Single Correct Answer)
+4
-1
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The correct stability order of the following resonance structures of $$\mathrm{CH}_3-\mathrm{CH}=\mathrm{CH}-\mathrm{CHO}$$ is

JEE Main 2024 (Online) 9th April Evening Shift Chemistry - Basics of Organic Chemistry Question 62 English

A
$$\text { II }>\text { III }>\text { I }$$
B
$$\text { II }>\text { I }>\text { III }$$
C
$$\text { III }>\text { II }>\text { I }$$
D
$$\text { I }>\text { II }>\text { III }$$
3
JEE Main 2024 (Online) 9th April Evening Shift
MCQ (Single Correct Answer)
+4
-1
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Total number of stereo isomers possible for the given structure :

JEE Main 2024 (Online) 9th April Evening Shift Chemistry - Basics of Organic Chemistry Question 61 English

A
4
B
2
C
8
D
3
4
JEE Main 2024 (Online) 9th April Morning Shift
MCQ (Single Correct Answer)
+4
-1
Change Language

Relative stability of the contributing structures is :

JEE Main 2024 (Online) 9th April Morning Shift Chemistry - Basics of Organic Chemistry Question 56 English

A
(II) > (I) > (III)
B
(III) > (II) > (I)
C
(I) > (III) > (II)
D
(I) > (II) > (III)
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