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1
JEE Main 2019 (Online) 10th April Morning Slot
MCQ (Single Correct Answer)
+4
-1
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The principle of column chromatography is :
A
Gravitational force.
B
Capillary action.
C
Differential adsorption of the substances on the solid phase.
D
Differential absorption of the substances on the solid phase.
2
JEE Main 2019 (Online) 9th April Morning Slot
MCQ (Single Correct Answer)
+4
-1
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The increasing order of reactivity of the following compounds towards aromatic electrophilic substitution reaction is : JEE Main 2019 (Online) 9th April Morning Slot Chemistry - Basics of Organic Chemistry Question 200 English
A
A < B < C < D
B
D < A < C < B
C
D < B < A < C
D
B < C < A < D
3
JEE Main 2019 (Online) 9th April Morning Slot
MCQ (Single Correct Answer)
+4
-1
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The correct IUPAC name of the following compound is : JEE Main 2019 (Online) 9th April Morning Slot Chemistry - Basics of Organic Chemistry Question 201 English
A
2-methyl-5-nitro-1-chlorobenzene
B
2-chloro-1-methyl-4-nitrobenzene
C
3-chloro-4-methyl-1-nitrobenzene
D
5-chloro-4-methyl-1-nitrobenzene
4
JEE Main 2019 (Online) 8th April Evening Slot
MCQ (Single Correct Answer)
+4
-1
Change Language
Which of the following compounds will show the maximum 'enol' content?
A
CH3COCH3
B
CH3COCH2COCH3
C
CH3COCH2COOC2H5
D
CH3COCH2CONH2
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