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1
JEE Main 2020 (Online) 2nd September Morning Slot
MCQ (Single Correct Answer)
+4
-1
Which of the following compunds will show retention in configuration on nucleophilic substitution by OH– ion?
A
JEE Main 2020 (Online) 2nd September Morning Slot Chemistry - Basics of Organic Chemistry Question 81 English Option 1
B
JEE Main 2020 (Online) 2nd September Morning Slot Chemistry - Basics of Organic Chemistry Question 81 English Option 2
C
JEE Main 2020 (Online) 2nd September Morning Slot Chemistry - Basics of Organic Chemistry Question 81 English Option 3
D
JEE Main 2020 (Online) 2nd September Morning Slot Chemistry - Basics of Organic Chemistry Question 81 English Option 4
2
JEE Main 2020 (Online) 2nd September Morning Slot
MCQ (Single Correct Answer)
+4
-1
The IUPAC name for the following compound is JEE Main 2020 (Online) 2nd September Morning Slot Chemistry - Basics of Organic Chemistry Question 80 English
A
2, 5-dimethyl-6-carboxy-hex-3-enal
B
6-formyl-2-methyl-hex-3-enoic acid
C
2, 5-dimethyl-5-carboxy-hex-3-enal
D
2, 5-dimethyl-6-oxo-hex-3-enoic acid
3
JEE Main 2020 (Online) 9th January Evening Slot
MCQ (Single Correct Answer)
+4
-1
Which of the following has the shortest C-Cl bond?
A
Cl–CH=CH–CH3
B
Cl–CH=CH–NO2
C
Cl–CH=CH–OCH3
D
Cl–CH=CH2
4
JEE Main 2020 (Online) 9th January Evening Slot
MCQ (Single Correct Answer)
+4
-1
The decreasing order of basicity of the following amines is : JEE Main 2020 (Online) 9th January Evening Slot Chemistry - Basics of Organic Chemistry Question 83 English 1 JEE Main 2020 (Online) 9th January Evening Slot Chemistry - Basics of Organic Chemistry Question 83 English 2 JEE Main 2020 (Online) 9th January Evening Slot Chemistry - Basics of Organic Chemistry Question 83 English 3 JEE Main 2020 (Online) 9th January Evening Slot Chemistry - Basics of Organic Chemistry Question 83 English 4
A
(III) > (II) > (I) > (IV)
B
(I) > (III) > (IV) > (II)
C
(III) > (I) > (II) > (IV)
D
(II) > (III) > (IV) > (I)
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