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1
JEE Main 2019 (Online) 10th April Evening Slot
MCQ (Single Correct Answer)
+4
-1
Change Language
The increasing order of nucleophilicity of the following nucleophiles is :
(a) CH3CO2$$-$$           (b) H2O
(c) CH3SO3$$-$$           (d) $$\mathop O\limits^ - H$$
A
(b) < (c) < (a) < (d)
B
(b) < (c) < (d) < (a)
C
(a) < (d) < (c) < (b)
D
(d) < (a) < (c) < (b)
2
JEE Main 2019 (Online) 10th April Morning Slot
MCQ (Single Correct Answer)
+4
-1
Change Language
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.
3
JEE Main 2019 (Online) 10th April Morning Slot
MCQ (Single Correct Answer)
+4
-1
Change Language
The increasing order of the reactivity of the following compounds towards electrophilic aromatic substitution reactions is : JEE Main 2019 (Online) 10th April Morning Slot Chemistry - Basics of Organic Chemistry Question 165 English
A
III < II < I
B
III < I < II
C
II < I < III
D
I < III < II
4
JEE Main 2019 (Online) 9th April Morning Slot
MCQ (Single Correct Answer)
+4
-1
Change Language
The correct IUPAC name of the following compound is : JEE Main 2019 (Online) 9th April Morning Slot Chemistry - Basics of Organic Chemistry Question 168 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
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